diff options
| author | Tobin C Harding <me@tobin.cc> | 2017-02-24 14:58:59 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2017-02-24 17:46:55 -0800 |
| commit | 7f2b6ce8e31ef843f5ece7fd302119d659b015f7 (patch) | |
| tree | 55c871fcf3c4030df6e9695665e5b97ab094144f | |
| parent | f2bf14d14dbc50dc56be3ebd18652ea2738ef6f8 (diff) | |
| download | linux-7f2b6ce8e31ef843f5ece7fd302119d659b015f7.tar.gz linux-7f2b6ce8e31ef843f5ece7fd302119d659b015f7.tar.xz | |
mm/memory.c: use NULL instead of literal 0
Patch fixes sparse warning: Using plain integer as NULL pointer.
Replaces assignment of 0 to pointer with NULL assignment.
Link: http://lkml.kernel.org/r/1485992240-10986-2-git-send-email-me@tobin.cc
Signed-off-by: Tobin C Harding <me@tobin.cc>
Acked-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| -rw-r--r-- | mm/memory.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/mm/memory.c b/mm/memory.c index 6040b74d02a2..747a2cdd2f7d 100644 --- a/mm/memory.c +++ b/mm/memory.c @@ -2920,7 +2920,7 @@ static int pte_alloc_one_map(struct vm_fault *vmf) atomic_long_inc(&vma->vm_mm->nr_ptes); pmd_populate(vma->vm_mm, vmf->pmd, vmf->prealloc_pte); spin_unlock(vmf->ptl); - vmf->prealloc_pte = 0; + vmf->prealloc_pte = NULL; } else if (unlikely(pte_alloc(vma->vm_mm, vmf->pmd, vmf->address))) { return VM_FAULT_OOM; } @@ -2968,7 +2968,7 @@ static void deposit_prealloc_pte(struct vm_fault *vmf) * count that as nr_ptes. */ atomic_long_inc(&vma->vm_mm->nr_ptes); - vmf->prealloc_pte = 0; + vmf->prealloc_pte = NULL; } static int do_set_pmd(struct vm_fault *vmf, struct page *page) @@ -3374,7 +3374,7 @@ static int do_fault(struct vm_fault *vmf) /* preallocated pagetable is unused: free it */ if (vmf->prealloc_pte) { pte_free(vma->vm_mm, vmf->prealloc_pte); - vmf->prealloc_pte = 0; + vmf->prealloc_pte = NULL; } return ret; } |