[PATCH 14/94] misc/sgi-gru/grufault: Use vma_lookup() in gru_find_vma()

Liam Howlett liam.howlett at oracle.com
Wed Apr 28 16:35:49 BST 2021


Use vma_lookup() to avoid needing to validate the VMA returned and for
easier to read code.

Signed-off-by: Liam R. Howlett <Liam.Howlett at Oracle.com>
---
 drivers/misc/sgi-gru/grufault.c | 4 ++--
 1 file 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;
 }
-- 
2.30.2



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