diff options
| author | Liam Howlett <[email protected]> | 2021-06-28 19:39:11 -0700 |
|---|---|---|
| committer | Linus Torvalds <[email protected]> | 2021-06-29 10:53:51 -0700 |
| commit | 3b93e042a59dd8c5b252eb0934f195f169ce68f9 (patch) | |
| tree | e79e00abf5f46e1b0e35141defb0c0ace830230e | |
| parent | 7f7020ac0dc9a7a7dfb2237c6e8ed13f40162a6b (diff) | |
arch/m68k/kernel/sys_m68k: use vma_lookup() in sys_cacheflush()
Use vma_lookup() to find the VMA at a specific address. As vma_lookup()
will return NULL if the address is not within any VMA, the start address
no longer needs to be validated.
Link: https://lkml.kernel.org/r/[email protected]
Signed-off-by: Liam R. Howlett <[email protected]>
Reviewed-by: Laurent Dufour <[email protected]>
Acked-by: David Hildenbrand <[email protected]>
Acked-by: Davidlohr Bueso <[email protected]>
Acked-by: Geert Uytterhoeven <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
| -rw-r--r-- | arch/m68k/kernel/sys_m68k.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/m68k/kernel/sys_m68k.c b/arch/m68k/kernel/sys_m68k.c index f55bdcb8e4f1..bd0274c7592e 100644 --- a/arch/m68k/kernel/sys_m68k.c +++ b/arch/m68k/kernel/sys_m68k.c @@ -402,8 +402,8 @@ sys_cacheflush (unsigned long addr, int scope, int cache, unsigned long len) * to this process. */ mmap_read_lock(current->mm); - vma = find_vma(current->mm, addr); - if (!vma || addr < vma->vm_start || addr + len > vma->vm_end) + vma = vma_lookup(current->mm, addr); + if (!vma || addr + len > vma->vm_end) goto out_unlock; } |