Merge tag 'powerpc-4.6-5' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc...

[deliverable/linux.git] / drivers / staging / rdma / hfi1 / user_exp_rcv.c

diff --git a/drivers/staging/rdma/hfi1/user_exp_rcv.c b/drivers/staging/rdma/hfi1/user_exp_rcv.c
index 0861e095df8d458c3ecabb908c5345ed9a872c6b..8bd56d5c783dede5e59772eb88daf192e0dbb457 100644 (file)
--- a/drivers/staging/rdma/hfi1/user_exp_rcv.c
+++ b/drivers/staging/rdma/hfi1/user_exp_rcv.c
@@ -87,7 +87,8 @@ static u32 find_phys_blocks(struct page **, unsigned, struct tid_pageset *);
 static int set_rcvarray_entry(struct file *, unsigned long, u32,
                              struct tid_group *, struct page **, unsigned);
 static int mmu_rb_insert(struct rb_root *, struct mmu_rb_node *);
-static void mmu_rb_remove(struct rb_root *, struct mmu_rb_node *, bool);
+static void mmu_rb_remove(struct rb_root *, struct mmu_rb_node *,
+                         struct mm_struct *);
 static int mmu_rb_invalidate(struct rb_root *, struct mmu_rb_node *);
 static int program_rcvarray(struct file *, unsigned long, struct tid_group *,
                            struct tid_pageset *, unsigned, u16, struct page **,
@@ -254,6 +255,8 @@ int hfi1_user_exp_rcv_free(struct hfi1_filedata *fd)
        struct hfi1_ctxtdata *uctxt = fd->uctxt;
        struct tid_group *grp, *gptr;
 
+       if (!test_bit(HFI1_CTXT_SETUP_DONE, &uctxt->event_flags))
+               return 0;
        /*
         * The notifier would have been removed when the process'es mm
         * was freed.
@@ -899,7 +902,7 @@ static int unprogram_rcvarray(struct file *fp, u32 tidinfo,
        if (!node || node->rcventry != (uctxt->expected_base + rcventry))
                return -EBADF;
        if (HFI1_CAP_IS_USET(TID_UNMAP))
-               mmu_rb_remove(&fd->tid_rb_root, &node->mmu, false);
+               mmu_rb_remove(&fd->tid_rb_root, &node->mmu, NULL);
        else
                hfi1_mmu_rb_remove(&fd->tid_rb_root, &node->mmu);
 
@@ -965,7 +968,7 @@ static void unlock_exp_tids(struct hfi1_ctxtdata *uctxt,
                                        continue;
                                if (HFI1_CAP_IS_USET(TID_UNMAP))
                                        mmu_rb_remove(&fd->tid_rb_root,
-                                                     &node->mmu, false);
+                                                     &node->mmu, NULL);
                                else
                                        hfi1_mmu_rb_remove(&fd->tid_rb_root,
                                                           &node->mmu);
@@ -1032,7 +1035,7 @@ static int mmu_rb_insert(struct rb_root *root, struct mmu_rb_node *node)
 }
 
 static void mmu_rb_remove(struct rb_root *root, struct mmu_rb_node *node,
-                         bool notifier)
+                         struct mm_struct *mm)
 {
        struct hfi1_filedata *fdata =
                container_of(root, struct hfi1_filedata, tid_rb_root);