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Merge branch 'drm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied...
[firefly-linux-kernel-4.4.55.git]
/
mm
/
memory.c
diff --git
a/mm/memory.c
b/mm/memory.c
index b623a249918c95a819e4b3f1b7c0814d24f78a03..ce22a250926f59711f51e634a565cb90256d969c 100644
(file)
--- a/
mm/memory.c
+++ b/
mm/memory.c
@@
-3688,7
+3688,7
@@
static int __access_remote_vm(struct task_struct *tsk, struct mm_struct *mm,
*/
#ifdef CONFIG_HAVE_IOREMAP_PROT
vma = find_vma(mm, addr);
- if (!vma)
+ if (!vma
|| vma->vm_start > addr
)
break;
if (vma->vm_ops && vma->vm_ops->access)
ret = vma->vm_ops->access(vma, addr, buf,