diff options
| author | Liam Howlett <[email protected]> | 2021-06-28 19:39:32 -0700 |
|---|---|---|
| committer | Linus Torvalds <[email protected]> | 2021-06-29 10:53:51 -0700 |
| commit | 2beaf153e1d041e0a61e3aae618294f4a037055d (patch) | |
| tree | ae86a37fddd419827ab74d20f037cf6a4397a019 | |
| parent | 49be780f798446ea86aa6cd687f9e51cbe569149 (diff) | |
misc/sgi-gru/grufault: use vma_lookup() in gru_find_vma()
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]>
Cc: Geert Uytterhoeven <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
| -rw-r--r-- | drivers/misc/sgi-gru/grufault.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/misc/sgi-gru/grufault.c b/drivers/misc/sgi-gru/grufault.c index 723825524ea0..d7ef61e602ed 100644 --- a/drivers/misc/sgi-gru/grufault.c +++ b/drivers/misc/sgi-gru/grufault.c @@ -49,8 +49,8 @@ struct vm_area_struct *gru_find_vma(unsigned long vaddr) { struct vm_area_struct *vma; - vma = find_vma(current->mm, vaddr); - if (vma && vma->vm_start <= vaddr && vma->vm_ops == &gru_vm_ops) + vma = vma_lookup(current->mm, vaddr); + if (vma && vma->vm_ops == &gru_vm_ops) return vma; return NULL; } |