diff options
author | Roel Kluin <[email protected]> | 2010-08-11 14:17:31 -0700 |
---|---|---|
committer | Linus Torvalds <[email protected]> | 2010-08-12 08:43:29 -0700 |
commit | 17e465034a174d23e08cbb964aeda5e41e5d84ca (patch) | |
tree | 212dca6a4872d496014a0ead9c34fb7ed885b4bb | |
parent | 7b958090458e99456b8c1a0f644923b6b9fdd358 (diff) |
score: fix dereference of NULL pointer in local_flush_tlb_page()
Don't dereference vma if it's NULL.
Signed-off-by: Roel Kluin <[email protected]>
Cc: Chen Liqin <[email protected]>
Cc: Lennox Wu <[email protected]>
Cc: Arnd Bergmann <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
-rw-r--r-- | arch/score/mm/tlb-score.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/score/mm/tlb-score.c b/arch/score/mm/tlb-score.c index 4fa5aa5afecc..6fdb100244c8 100644 --- a/arch/score/mm/tlb-score.c +++ b/arch/score/mm/tlb-score.c @@ -158,7 +158,7 @@ void local_flush_tlb_kernel_range(unsigned long start, unsigned long end) void local_flush_tlb_page(struct vm_area_struct *vma, unsigned long page) { - if (!vma || vma->vm_mm->context != 0) { + if (vma && vma->vm_mm->context != 0) { unsigned long flags; int oldpid, newpid, idx; unsigned long vma_ASID = vma->vm_mm->context; |