[34/94] arch/m68k/kernel/sys_m68k: Use vma_lookup() in sys_cacheflush()
diff mbox series

Message ID 20210428153542.2814175-35-Liam.Howlett@Oracle.com
State New, archived
Headers show
Series
  • Introducing the Maple Tree
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Commit Message

Liam Howlett April 28, 2021, 3:36 p.m. UTC
Using vma_lookup() enables for simplified checking of the returned vma
to ensure the end address also falls within the same vma.  The start
address must be in the returned vma from vma_lookup().

Signed-off-by: Liam R. Howlett <Liam.Howlett@Oracle.com>
---
 arch/m68k/kernel/sys_m68k.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

Patch
diff mbox series

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;
 	}