staging: rtl8723au: Fix "before/around/after" whitespace issues

Correct a number of "space(s) required before/around/after" checkpatch.pl
issues in a number of functions in rtl8723au's rtw_security.c.

Signed-off-by: M. Vefa Bicakci <m.v.b@runbox.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/rtl8723au/core/rtw_security.c b/drivers/staging/rtl8723au/core/rtw_security.c
index 92882f60bc0e28275f3d39ad089933aa299e5f61..572fcf3f936dbb0675440a553daa065c356581c3 100644 (file)
--- a/drivers/staging/rtl8723au/core/rtw_security.c
+++ b/drivers/staging/rtl8723au/core/rtw_security.c
@@ -129,14 +129,14 @@ static void crc32_init(void)
 static u32 getcrc32(u8 *buf, int len)
 {
        u8 *p;
-       u32  crc;
+       u32 crc;
 
        if (bcrc32initialized == 0) crc32_init();
 
        crc = 0xffffffff;       /* preload shift register, per CRC-32 spec */
 
        for (p = buf; len > 0; ++p, --len)
-               crc = crc32_table[ (crc ^ *p) & 0xff] ^ (crc >> 8);
+               crc = crc32_table[(crc ^ *p) & 0xff] ^ (crc >> 8);
 
        return ~crc;    /* transmit complement, per CRC-32 spec */
 }
@@ -182,7 +182,7 @@ void rtw_wep_encrypt23a(struct rtw_adapter *padapter,
                if ((curfragnum + 1) == pattrib->nr_frags) {
                        /* the last fragment */
                        length = pattrib->last_txcmdsz - pattrib->hdrlen -
-                               pattrib->iv_len- pattrib->icv_len;
+                               pattrib->iv_len - pattrib->icv_len;
 
                        *((u32 *)crc) = cpu_to_le32(getcrc32(payload, length));
 
@@ -262,8 +262,8 @@ static u32 secmicgetuint32(u8 *p)
        s32 i;
        u32 res = 0;
 
-       for (i = 0; i<4; i++) {
-               res |= ((u32)(*p++)) << (8*i);
+       for (i = 0; i < 4; i++) {
+               res |= ((u32)(*p++)) << (8 * i);
        }
 
        return res;
@@ -274,7 +274,7 @@ static void secmicputuint32(u8 *p, u32 val)
 {
        long i;
 
-       for (i = 0; i<4; i++) {
+       for (i = 0; i < 4; i++) {
                *p++ = (u8) (val & 0xff);
                val >>= 8;
        }
@@ -307,7 +307,7 @@ void rtw_secmicappend23abyte23a(struct mic_data *pmicdata, u8 b)
 {
 
        /*  Append the byte to our word-sized buffer */
-       pmicdata->M |= ((unsigned long)b) << (8*pmicdata->nBytesInM);
+       pmicdata->M |= ((unsigned long)b) << (8 * pmicdata->nBytesInM);
        pmicdata->nBytesInM++;
        /*  Process the word if it is full. */
        if (pmicdata->nBytesInM >= 4) {
@@ -331,7 +331,7 @@ void rtw_secmicappend23a(struct mic_data *pmicdata, u8 *src, u32 nbytes)
 {
 
        /*  This is simple */
-       while(nbytes > 0) {
+       while (nbytes > 0) {
                rtw_secmicappend23abyte23a(pmicdata, *src++);
                nbytes--;
        }
@@ -348,12 +348,12 @@ void rtw_secgetmic23a(struct mic_data *pmicdata, u8 *dst)
        rtw_secmicappend23abyte23a(pmicdata, 0);
        rtw_secmicappend23abyte23a(pmicdata, 0);
        /*  and then zeroes until the length is a multiple of 4 */
-       while(pmicdata->nBytesInM != 0) {
+       while (pmicdata->nBytesInM != 0) {
                rtw_secmicappend23abyte23a(pmicdata, 0);
        }
        /*  The appendByte function has already computed the result. */
        secmicputuint32(dst, pmicdata->L);
-       secmicputuint32(dst+4, pmicdata->R);
+       secmicputuint32(dst + 4, pmicdata->R);
        /*  Reset to the empty message. */
        secmicclear(pmicdata);
 
@@ -364,10 +364,10 @@ void rtw_seccalctkipmic23a(u8 *key, u8 *header, u8 *data, u32 data_len,
 {
 
        struct mic_data micdata;
-       u8 priority[4]={0x0, 0x0, 0x0, 0x0};
+       u8 priority[4] = {0x0, 0x0, 0x0, 0x0};
 
        rtw_secmicsetkey23a(&micdata, key);
-       priority[0]= pri;
+       priority[0] = pri;
 
        /* Michael MIC pseudo header: DA, SA, 3 x 0, Priority */
        if (header[1]&1) {   /* ToDS == 1 */
@@ -398,11 +398,11 @@ void rtw_seccalctkipmic23a(u8 *key, u8 *header, u8 *data, u32 data_len,
 #define   Lo8(v16)   ((u8)((v16)       & 0x00FF))
 #define   Hi8(v16)   ((u8)(((v16) >> 8) & 0x00FF))
 #define  Lo16(v32)   ((u16)((v32)       & 0xFFFF))
-#define  Hi16(v32)   ((u16)(((v32) >>16) & 0xFFFF))
+#define  Hi16(v32)   ((u16)(((v32) >> 16) & 0xFFFF))
 #define  Mk16(hi, lo) ((lo) ^ (((u16)(hi)) << 8))
 
 /* select the Nth 16-bit word of the temporal key unsigned char array TK[]   */
-#define  TK16(N)     Mk16(tk[2*(N)+1], tk[2*(N)])
+#define  TK16(N)     Mk16(tk[2 * (N) + 1], tk[2 * (N)])
 
 /* S-box lookup: 16 bits --> 16 bits */
 #define _S_(v16)     (Sbox1[0][Lo8(v16)] ^ Sbox1[1][Hi8(v16)])
@@ -415,7 +415,7 @@ void rtw_seccalctkipmic23a(u8 *key, u8 *header, u8 *data, u32 data_len,
 #define RC4_KEY_SIZE     16    /* 128-bit RC4KEY (104 bits unknown) */
 
 /* 2-unsigned char by 2-unsigned char subset of the full AES S-box table */
-static const unsigned short Sbox1[2][256]=       /* Sbox for hash (can be in ROM)     */
+static const unsigned short Sbox1[2][256] =       /* Sbox for hash (can be in ROM)     */
 { {
    0xC6A5, 0xF884, 0xEE99, 0xF68D, 0xFF0D, 0xD6BD, 0xDEB1, 0x9154,
    0x6050, 0x0203, 0xCEA9, 0x567D, 0xE719, 0xB562, 0x4DE6, 0xEC9A,
@@ -517,13 +517,13 @@ static void phase1(u16 *p1k, const u8 *tk, const u8 *ta, u32 iv32)
 
        /* Now compute an unbalanced Feistel cipher with 80-bit block */
        /* size on the 80-bit block P1K[], using the 128-bit key TK[] */
-       for (i = 0; i < PHASE1_LOOP_CNT ;i++) {
+       for (i = 0; i < PHASE1_LOOP_CNT; i++) {
                /* Each add operation here is mod 2**16 */
-               p1k[0] += _S_(p1k[4] ^ TK16((i&1)+0));
-               p1k[1] += _S_(p1k[0] ^ TK16((i&1)+2));
-               p1k[2] += _S_(p1k[1] ^ TK16((i&1)+4));
-               p1k[3] += _S_(p1k[2] ^ TK16((i&1)+6));
-               p1k[4] += _S_(p1k[3] ^ TK16((i&1)+0));
+               p1k[0] += _S_(p1k[4] ^ TK16((i & 1) + 0));
+               p1k[1] += _S_(p1k[0] ^ TK16((i & 1) + 2));
+               p1k[2] += _S_(p1k[1] ^ TK16((i & 1) + 4));
+               p1k[3] += _S_(p1k[2] ^ TK16((i & 1) + 6));
+               p1k[4] += _S_(p1k[3] ^ TK16((i & 1) + 0));
                p1k[4] +=  (unsigned short)i;                    /* avoid "slide attacks" */
                }
 
@@ -558,8 +558,8 @@ static void phase2(u8 *rc4key, const u8 *tk, const u16 *p1k, u16 iv16)
        u16 PPK[6];                          /* temporary key for mixing    */
 
        /* Note: all adds in the PPK[] equations below are mod 2**16         */
-       for (i = 0;i<5;i++) PPK[i]= p1k[i];      /* first, copy P1K to PPK      */
-               PPK[5]  =  p1k[4] +iv16;             /* next,  add in IV16          */
+       for (i = 0; i < 5; i++) PPK[i] = p1k[i];    /* first, copy P1K to PPK      */
+               PPK[5] = p1k[4] + iv16;             /* next,  add in IV16          */
 
        /* Bijective non-linear mixing of the 96 bits of PPK[0..5]           */
        PPK[0] +=    _S_(PPK[5] ^ TK16(0));   /* Mix key in each "round"     */
@@ -588,9 +588,9 @@ static void phase2(u8 *rc4key, const u8 *tk, const u16 *p1k, u16 iv16)
        rc4key[3] = Lo8((PPK[5] ^ TK16(0)) >> 1);
 
        /* Copy 96 bits of PPK[0..5] to RC4KEY[4..15]  (little-endian)       */
-       for (i = 0;i<6;i++) {
-               rc4key[4+2*i] = Lo8(PPK[i]);
-               rc4key[5+2*i] = Hi8(PPK[i]);
+       for (i = 0; i < 6; i++) {
+               rc4key[4 + 2 * i] = Lo8(PPK[i]);
+               rc4key[5 + 2 * i] = Hi8(PPK[i]);
        }
 
 }
@@ -632,9 +632,9 @@ int rtw_tkip_encrypt23a(struct rtw_adapter *padapter,
                                                     &pattrib->ra[0]);
                }
 
-               if (stainfo!= NULL) {
+               if (stainfo != NULL) {
 
-                       if (!(stainfo->state &_FW_LINKED)) {
+                       if (!(stainfo->state & _FW_LINKED)) {
                                DBG_8723A("%s, psta->state(0x%x) != _FW_LINKED\n", __func__, stainfo->state);
                                return _FAIL;
                        }
@@ -649,21 +649,25 @@ int rtw_tkip_encrypt23a(struct rtw_adapter *padapter,
 
                        prwskeylen = 16;
 
-                       for (curfragnum = 0;curfragnum<pattrib->nr_frags;curfragnum++) {
-                               iv = pframe+pattrib->hdrlen;
-                               payload = pframe+pattrib->iv_len+pattrib->hdrlen;
+                       for (curfragnum = 0; curfragnum < pattrib->nr_frags; curfragnum++) {
+                               iv = pframe + pattrib->hdrlen;
+                               payload = pframe + pattrib->iv_len + pattrib->hdrlen;
 
                                GET_TKIP_PN(iv, dot11txpn);
 
                                pnl = (u16)(dot11txpn.val);
                                pnh = (u32)(dot11txpn.val>>16);
 
-                               phase1((u16 *)&ttkey[0], prwskey,&pattrib->ta[0], pnh);
+                               phase1((u16 *)&ttkey[0], prwskey, &pattrib->ta[0], pnh);
 
                                phase2(&rc4key[0], prwskey, (u16 *)&ttkey[0], pnl);
 
-                               if ((curfragnum+1) == pattrib->nr_frags) {      /* 4 the last fragment */
-                                       length = pattrib->last_txcmdsz-pattrib->hdrlen-pattrib->iv_len- pattrib->icv_len;
+                               if ((curfragnum + 1) == pattrib->nr_frags) {    /* 4 the last fragment */
+                                       length = (pattrib->last_txcmdsz -
+                                                 pattrib->hdrlen -
+                                                 pattrib->iv_len -
+                                                 pattrib->icv_len);
+
                                        RT_TRACE(_module_rtl871x_security_c_, _drv_info_,
                                                 "pattrib->iv_len =%x, pattrib->icv_len =%x\n",
                                                 pattrib->iv_len,
@@ -672,23 +676,27 @@ int rtw_tkip_encrypt23a(struct rtw_adapter *padapter,
 
                                        arcfour_init(&mycontext, rc4key, 16);
                                        arcfour_encrypt(&mycontext, payload, payload, length);
-                                       arcfour_encrypt(&mycontext, payload+length, crc, 4);
+                                       arcfour_encrypt(&mycontext, payload + length, crc, 4);
 
                                }
-                               else{
-                                       length = pxmitpriv->frag_len-pattrib->hdrlen-pattrib->iv_len-pattrib->icv_len ;
+                               else {
+                                       length = (pxmitpriv->frag_len -
+                                                 pattrib->hdrlen -
+                                                 pattrib->iv_len -
+                                                 pattrib->icv_len);
+
                                        *((u32 *)crc) = cpu_to_le32(getcrc32(payload, length));/* modified by Amy*/
                                        arcfour_init(&mycontext, rc4key, 16);
                                        arcfour_encrypt(&mycontext, payload, payload, length);
-                                       arcfour_encrypt(&mycontext, payload+length, crc, 4);
+                                       arcfour_encrypt(&mycontext, payload + length, crc, 4);
 
-                               pframe+= pxmitpriv->frag_len;
-                               pframe = PTR_ALIGN(pframe, 4);
+                               pframe += pxmitpriv->frag_len;
+                               pframe  = PTR_ALIGN(pframe, 4);
                                }
                        }
 
                }
-               else{
+               else {
                        RT_TRACE(_module_rtl871x_security_c_, _drv_err_,
                                 "rtw_tkip_encrypt23a: stainfo == NULL!!!\n");
                        DBG_8723A("%s, psta == NUL\n", __func__);
@@ -727,7 +735,7 @@ int rtw_tkip_decrypt23a(struct rtw_adapter *padapter,
 
                stainfo = rtw_get_stainfo23a(&padapter->stapriv,
                                             &prxattrib->ta[0]);
-               if (stainfo!= NULL) {
+               if (stainfo != NULL) {
 
                        if (is_multicast_ether_addr(prxattrib->ra)) {
                                if (psecuritypriv->binstallGrpkey == 0) {
@@ -744,32 +752,32 @@ int rtw_tkip_decrypt23a(struct rtw_adapter *padapter,
                                prwskeylen = 16;
                        }
 
-                       iv = pframe+prxattrib->hdrlen;
-                       payload = pframe+prxattrib->iv_len+prxattrib->hdrlen;
-                       length = skb->len - prxattrib->hdrlen-prxattrib->iv_len;
+                       iv = pframe + prxattrib->hdrlen;
+                       payload = pframe + prxattrib->iv_len + prxattrib->hdrlen;
+                       length = skb->len - prxattrib->hdrlen - prxattrib->iv_len;
 
                        GET_TKIP_PN(iv, dot11txpn);
 
                        pnl = (u16)(dot11txpn.val);
                        pnh = (u32)(dot11txpn.val>>16);
 
-                       phase1((u16 *)&ttkey[0], prwskey,&prxattrib->ta[0], pnh);
+                       phase1((u16 *)&ttkey[0], prwskey, &prxattrib->ta[0], pnh);
                        phase2(&rc4key[0], prwskey, (unsigned short *)&ttkey[0], pnl);
 
                        /* 4 decrypt payload include icv */
                        arcfour_init(&mycontext, rc4key, 16);
                        arcfour_encrypt(&mycontext, payload, payload, length);
 
-                       *((u32 *)crc) = le32_to_cpu(getcrc32(payload, length-4));
+                       *((u32 *)crc) = le32_to_cpu(getcrc32(payload, length - 4));
 
-                       if (crc[3]!= payload[length-1] || crc[2]!= payload[length-2] || crc[1]!= payload[length-3] || crc[0]!= payload[length-4])
+                       if (crc[3] != payload[length - 1] || crc[2] != payload[length - 2] || crc[1] != payload[length - 3] || crc[0] != payload[length - 4])
                        {
                                RT_TRACE(_module_rtl871x_security_c_, _drv_err_,
                                         "rtw_wep_decrypt23a:icv error crc[3](%x)!= payload[length-1](%x) || crc[2](%x)!= payload[length-2](%x) || crc[1](%x)!= payload[length-3](%x) || crc[0](%x)!= payload[length-4](%x)\n",
-                                        crc[3], payload[length-1],
-                                        crc[2], payload[length-2],
-                                        crc[1], payload[length-3],
-                                        crc[0], payload[length-4]);
+                                        crc[3], payload[length - 1],
+                                        crc[2], payload[length - 2],
+                                        crc[1], payload[length - 3],
+                                        crc[0], payload[length - 4]);
                                res = _FAIL;
                        }
                } else {
@@ -835,7 +843,7 @@ static void xor_128(u8 *a, u8 *b, u8 *out)
 {
        int i;
 
-       for (i = 0;i<16; i++)
+       for (i = 0; i < 16; i++)
                out[i] = a[i] ^ b[i];
 }
 
@@ -882,7 +890,7 @@ static void byte_sub(u8 *in, u8 *out)
 {
        int i;
 
-       for (i = 0; i< 16; i++) {
+       for (i = 0; i < 16; i++) {
                out[i] = sbox(in[i]);
        }
 
@@ -922,7 +930,7 @@ static void mix_column(u8 *in, u8 *out)
        u8 temp[4];
        u8 tempb[4];
 
-       for (i = 0 ; i<4; i++) {
+       for (i = 0; i < 4; i++) {
                if ((in[i] & 0x80) == 0x80)
                    add1b[i] = 0x1b;
                else
@@ -944,10 +952,10 @@ static void mix_column(u8 *in, u8 *out)
        andf7[2] = in[2] & 0x7f;
        andf7[3] = in[3] & 0x7f;
 
-       for (i = 3; i>0; i--) { /* logical shift left 1 bit */
+       for (i = 3; i > 0; i--) { /* logical shift left 1 bit */
                andf7[i] = andf7[i] << 1;
-               if ((andf7[i-1] & 0x80) == 0x80) {
-                   andf7[i] = (andf7[i] | 0x01);
+               if ((andf7[i - 1] & 0x80) == 0x80) {
+                       andf7[i] = (andf7[i] | 0x01);
                }
        }
        andf7[0] = andf7[0] << 1;
@@ -977,7 +985,7 @@ static void aes128k128d(u8 *key, u8 *data, u8 *ciphertext)
        u8 intermediateb[16];
        u8 round_key[16];
 
-       for (i = 0; i<16; i++) round_key[i] = key[i];
+       for (i = 0; i < 16; i++) round_key[i] = key[i];
 
        for (round = 0; round < 11; round++) {
                if (round == 0) {
@@ -1061,7 +1069,7 @@ static void construct_mic_header2(u8 *mic_header2, u8 *mpdu, int a4_exists,
 {
        int i;
 
-       for (i = 0; i<16; i++) mic_header2[i]= 0x00;
+       for (i = 0; i < 16; i++) mic_header2[i] = 0x00;
 
        mic_header2[0] = mpdu[16];    /* A3 */
        mic_header2[1] = mpdu[17];
@@ -1074,8 +1082,7 @@ static void construct_mic_header2(u8 *mic_header2, u8 *mpdu, int a4_exists,
        mic_header2[7] = 0x00; /* mpdu[23]; */
 
        if (!qc_exists && a4_exists) {
-               for (i = 0;i<6;i++) mic_header2[8+i] = mpdu[24+i];   /* A4 */
-
+               for (i = 0; i < 6; i++) mic_header2[8+i] = mpdu[24+i];   /* A4 */
        }
 
        if (qc_exists && !a4_exists) {
@@ -1084,7 +1091,7 @@ static void construct_mic_header2(u8 *mic_header2, u8 *mpdu, int a4_exists,
        }
 
        if (qc_exists && a4_exists) {
-               for (i = 0;i<6;i++) mic_header2[8+i] = mpdu[24+i];   /* A4 */
+               for (i = 0; i < 6; i++) mic_header2[8+i] = mpdu[24+i];   /* A4 */
 
                mic_header2[14] = mpdu[30] & 0x0f;
                mic_header2[15] = mpdu[31] & 0x00;
@@ -1102,7 +1109,7 @@ static void construct_ctr_preload(u8 *ctr_preload, int a4_exists, int qc_exists,
 {
        int i = 0;
 
-       for (i = 0; i<16; i++) ctr_preload[i] = 0x00;
+       for (i = 0; i < 16; i++) ctr_preload[i] = 0x00;
        i = 0;
 
        ctr_preload[0] = 0x01;                                  /* flag */
@@ -1183,12 +1190,12 @@ static int aes_cipher(u8 *key, uint hdrlen, u8 *pframe, uint plen)
        } else {
                qc_exists = 0;
        }
-       pn_vector[0]= pframe[hdrlen];
-       pn_vector[1]= pframe[hdrlen+1];
-       pn_vector[2]= pframe[hdrlen+4];
-       pn_vector[3]= pframe[hdrlen+5];
-       pn_vector[4]= pframe[hdrlen+6];
-       pn_vector[5]= pframe[hdrlen+7];
+       pn_vector[0] = pframe[hdrlen];
+       pn_vector[1] = pframe[hdrlen + 1];
+       pn_vector[2] = pframe[hdrlen + 4];
+       pn_vector[3] = pframe[hdrlen + 5];
+       pn_vector[4] = pframe[hdrlen + 6];
+       pn_vector[5] = pframe[hdrlen + 7];
 
        construct_mic_iv(mic_iv, qc_exists, a4_exists, pframe, plen, pn_vector);
 
@@ -1230,12 +1237,12 @@ static int aes_cipher(u8 *key, uint hdrlen, u8 *pframe, uint plen)
 
        /* Insert MIC into payload */
        for (j = 0; j < 8; j++)
-               pframe[payload_index+j] = mic[j];
+               pframe[payload_index + j] = mic[j];
 
        payload_index = hdrlen + 8;
        for (i = 0; i < num_blocks; i++) {
                construct_ctr_preload(ctr_preload, a4_exists, qc_exists,
-                                     pframe, pn_vector, i+1);
+                                     pframe, pn_vector, i + 1);
                aes128k128d(key, ctr_preload, aes_out);
                bitwise_xor(aes_out, &pframe[payload_index], chain_buffer);
                for (j = 0; j < 16; j++)
@@ -1247,15 +1254,15 @@ static int aes_cipher(u8 *key, uint hdrlen, u8 *pframe, uint plen)
                 * encrypt it and copy the unpadded part back
                 */
                construct_ctr_preload(ctr_preload, a4_exists, qc_exists, pframe,
-                                     pn_vector, num_blocks+1);
+                                     pn_vector, num_blocks + 1);
 
                for (j = 0; j < 16; j++)
                        padded_buffer[j] = 0x00;
                for (j = 0; j < payload_remainder; j++)
-                       padded_buffer[j] = pframe[payload_index+j];
+                       padded_buffer[j] = pframe[payload_index + j];
                aes128k128d(key, ctr_preload, aes_out);
                bitwise_xor(aes_out, padded_buffer, chain_buffer);
-               for (j = 0; j < payload_remainder;j++)
+               for (j = 0; j < payload_remainder; j++)
                        pframe[payload_index++] = chain_buffer[j];
        }
 
@@ -1266,11 +1273,11 @@ static int aes_cipher(u8 *key, uint hdrlen, u8 *pframe, uint plen)
        for (j = 0; j < 16; j++)
                padded_buffer[j] = 0x00;
        for (j = 0; j < 8; j++)
-               padded_buffer[j] = pframe[j+hdrlen+8+plen];
+               padded_buffer[j] = pframe[j + hdrlen + 8 + plen];
 
        aes128k128d(key, ctr_preload, aes_out);
        bitwise_xor(aes_out, padded_buffer, chain_buffer);
-       for (j = 0; j < 8;j++)
+       for (j = 0; j < 8; j++)
                pframe[payload_index++] = chain_buffer[j];
 
        return _SUCCESS;
@@ -1315,7 +1322,7 @@ int rtw_aes_encrypt23a(struct rtw_adapter *padapter,
                res = _FAIL;
                goto out;
        }
-       if (!(stainfo->state &_FW_LINKED)) {
+       if (!(stainfo->state & _FW_LINKED)) {
                DBG_8723A("%s, psta->state(0x%x) != _FW_LINKED\n",
                          __func__, stainfo->state);
                return _FAIL;
@@ -1380,16 +1387,16 @@ static int aes_decipher(u8 *key, uint hdrlen, u8 *pframe, uint plen)
 
        /* start to decrypt the payload */
 
-       num_blocks = (plen-8) / 16; /* plen including llc, payload_length and mic) */
+       num_blocks = (plen - 8) / 16; /* plen including llc, payload_length and mic) */
 
-       payload_remainder = (plen-8) % 16;
+       payload_remainder = (plen - 8) % 16;
 
        pn_vector[0]  = pframe[hdrlen];
-       pn_vector[1]  = pframe[hdrlen+1];
-       pn_vector[2]  = pframe[hdrlen+4];
-       pn_vector[3]  = pframe[hdrlen+5];
-       pn_vector[4]  = pframe[hdrlen+6];
-       pn_vector[5]  = pframe[hdrlen+7];
+       pn_vector[1]  = pframe[hdrlen + 1];
+       pn_vector[2]  = pframe[hdrlen + 4];
+       pn_vector[3]  = pframe[hdrlen + 5];
+       pn_vector[4]  = pframe[hdrlen + 6];
+       pn_vector[5]  = pframe[hdrlen + 7];
 
        if ((hdrlen == sizeof(struct ieee80211_hdr_3addr) ||
            (hdrlen == sizeof(struct ieee80211_qos_hdr))))
@@ -1424,7 +1431,7 @@ static int aes_decipher(u8 *key, uint hdrlen, u8 *pframe, uint plen)
 
        for (i = 0; i < num_blocks; i++) {
                construct_ctr_preload(ctr_preload, a4_exists, qc_exists,
-                                     pframe, pn_vector, i+1);
+                                     pframe, pn_vector, i + 1);
 
                aes128k128d(key, ctr_preload, aes_out);
                bitwise_xor(aes_out, &pframe[payload_index], chain_buffer);
@@ -1438,12 +1445,12 @@ static int aes_decipher(u8 *key, uint hdrlen, u8 *pframe, uint plen)
                 * encrypt it and copy the unpadded part back
                 */
                construct_ctr_preload(ctr_preload, a4_exists, qc_exists, pframe,
-                                     pn_vector, num_blocks+1);
+                                     pn_vector, num_blocks + 1);
 
                for (j = 0; j < 16; j++)
                        padded_buffer[j] = 0x00;
                for (j = 0; j < payload_remainder; j++)
-                       padded_buffer[j] = pframe[payload_index+j];
+                       padded_buffer[j] = pframe[payload_index + j];
                aes128k128d(key, ctr_preload, aes_out);
                bitwise_xor(aes_out, padded_buffer, chain_buffer);
                for (j = 0; j < payload_remainder; j++)
@@ -1451,24 +1458,24 @@ static int aes_decipher(u8 *key, uint hdrlen, u8 *pframe, uint plen)
        }
 
        /* start to calculate the mic */
-       if ((hdrlen +plen+8) <= MAX_MSG_SIZE)
-               memcpy(message, pframe, (hdrlen+plen+8)); /* 8 is for ext iv len */
+       if ((hdrlen + plen + 8) <= MAX_MSG_SIZE)
+               memcpy(message, pframe, (hdrlen + plen + 8)); /* 8 is for ext iv len */
 
        pn_vector[0] = pframe[hdrlen];
-       pn_vector[1] = pframe[hdrlen+1];
-       pn_vector[2] = pframe[hdrlen+4];
-       pn_vector[3] = pframe[hdrlen+5];
-       pn_vector[4] = pframe[hdrlen+6];
-       pn_vector[5] = pframe[hdrlen+7];
+       pn_vector[1] = pframe[hdrlen + 1];
+       pn_vector[2] = pframe[hdrlen + 4];
+       pn_vector[3] = pframe[hdrlen + 5];
+       pn_vector[4] = pframe[hdrlen + 6];
+       pn_vector[5] = pframe[hdrlen + 7];
 
        construct_mic_iv(mic_iv, qc_exists, a4_exists, message,
-                        plen-8, pn_vector);
+                        plen - 8, pn_vector);
 
        construct_mic_header1(mic_header1, hdrlen, message);
        construct_mic_header2(mic_header2, message, a4_exists, qc_exists);
 
-       payload_remainder = (plen-8) % 16;
-       num_blocks = (plen-8) / 16;
+       payload_remainder = (plen - 8) % 16;
+       num_blocks = (plen - 8) / 16;
 
        /* Find start of payload */
        payload_index = hdrlen + 8;
@@ -1502,12 +1509,12 @@ static int aes_decipher(u8 *key, uint hdrlen, u8 *pframe, uint plen)
 
        /* Insert MIC into payload */
        for (j = 0; j < 8; j++)
-               message[payload_index+j] = mic[j];
+               message[payload_index + j] = mic[j];
 
        payload_index = hdrlen + 8;
-       for (i = 0; i< num_blocks; i++) {
+       for (i = 0; i < num_blocks; i++) {
                construct_ctr_preload(ctr_preload, a4_exists, qc_exists,
-                                     message, pn_vector, i+1);
+                                     message, pn_vector, i + 1);
                aes128k128d(key, ctr_preload, aes_out);
                bitwise_xor(aes_out, &message[payload_index], chain_buffer);
                for (j = 0; j < 16; j++)
@@ -1519,12 +1526,12 @@ static int aes_decipher(u8 *key, uint hdrlen, u8 *pframe, uint plen)
                 * encrypt it and copy the unpadded part back
                 */
                construct_ctr_preload(ctr_preload, a4_exists, qc_exists,
-                                     message, pn_vector, num_blocks+1);
+                                     message, pn_vector, num_blocks + 1);
 
                for (j = 0; j < 16; j++)
                         padded_buffer[j] = 0x00;
                for (j = 0; j < payload_remainder; j++)
-                       padded_buffer[j] = message[payload_index+j];
+                       padded_buffer[j] = message[payload_index + j];
                aes128k128d(key, ctr_preload, aes_out);
                bitwise_xor(aes_out, padded_buffer, chain_buffer);
                for (j = 0; j < payload_remainder; j++)
@@ -1538,7 +1545,7 @@ static int aes_decipher(u8 *key, uint hdrlen, u8 *pframe, uint plen)
        for (j = 0; j < 16; j++)
                padded_buffer[j] = 0x00;
        for (j = 0; j < 8; j++)
-               padded_buffer[j] = message[j+hdrlen+8+plen-8];
+               padded_buffer[j] = message[j + hdrlen + 8 + plen - 8];
 
        aes128k128d(key, ctr_preload, aes_out);
        bitwise_xor(aes_out, padded_buffer, chain_buffer);
@@ -1547,13 +1554,13 @@ static int aes_decipher(u8 *key, uint hdrlen, u8 *pframe, uint plen)
 
        /* compare the mic */
        for (i = 0; i < 8; i++) {
-               if (pframe[hdrlen+8+plen-8+i] != message[hdrlen+8+plen-8+i]) {
+               if (pframe[hdrlen + 8 + plen - 8 + i] != message[hdrlen + 8 + plen - 8 + i]) {
                        RT_TRACE(_module_rtl871x_security_c_, _drv_err_,
                                 "aes_decipher:mic check error mic[%d]: pframe(%x) != message(%x)\n",
                                 i, pframe[hdrlen + 8 + plen - 8 + i],
                                 message[hdrlen + 8 + plen - 8 + i]);
                        DBG_8723A("aes_decipher:mic check error mic[%d]: pframe(%x) != message(%x)\n",
-                                 i, pframe[hdrlen+8+plen-8+i], message[hdrlen+8+plen-8+i]);
+                                 i, pframe[hdrlen + 8 + plen - 8 + i], message[hdrlen + 8 + plen - 8 + i]);
                        res = _FAIL;
                }
        }