1 #include <linux/vmalloc.h>
2 #include <linux/module.h>
4 #include <linux/file.h>
6 #include <linux/sched.h>
7 #include <asm/uaccess.h>
8 #include "oss/sound_firmware.h"
10 static int do_mod_firmware_load(const char *fn
, char **fp
)
17 filp
= filp_open(fn
, 0, 0);
20 printk(KERN_INFO
"Unable to load '%s'.\n", fn
);
23 l
= i_size_read(file_inode(filp
));
24 if (l
<= 0 || l
> 131072)
26 printk(KERN_INFO
"Invalid firmware '%s'\n", fn
);
33 printk(KERN_INFO
"Out of memory loading '%s'.\n", fn
);
38 if (vfs_read(filp
, dp
, l
, &pos
) != l
)
40 printk(KERN_INFO
"Failed to read '%s'.\n", fn
);
51 * mod_firmware_load - load sound driver firmware
53 * @fp: return for the buffer.
55 * Load the firmware for a sound module (up to 128K) into a buffer.
56 * The buffer is returned in *fp. It is allocated with vmalloc so is
57 * virtually linear and not DMAable. The caller should free it with
58 * vfree when finished.
60 * The length of the buffer is returned on a successful load, the
61 * value zero on a failure.
63 * Caution: This API is not recommended. Firmware should be loaded via
67 int mod_firmware_load(const char *fn
, char **fp
)
70 mm_segment_t fs
= get_fs();
73 r
= do_mod_firmware_load(fn
, fp
);
77 EXPORT_SYMBOL(mod_firmware_load
);
79 MODULE_LICENSE("GPL");
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