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@xxxxxxxxxx> --- arch/m68k/kernel/sys_m68k.c | 4 ++-- 1 file 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; } -- 2.30.2
