X-Git-Url: http://git.osdn.net/view?a=blobdiff_plain;f=mm%2Fpagewalk.c;h=29f2f8b853ae51be4f9e35fbc1495ad69297ff82;hb=a7fe850d3be88239ee1eaac6bea38e07a4b9e865;hp=75c1f2878519171139ae2d0b6f1e24809067ab4a;hpb=d7b48fec3520da075a4093d3aa37ce4daff7510b;p=android-x86%2Fkernel.git

diff --git a/mm/pagewalk.c b/mm/pagewalk.c
index 75c1f2878519..29f2f8b853ae 100644
--- a/mm/pagewalk.c
+++ b/mm/pagewalk.c
@@ -265,8 +265,15 @@ int walk_page_range(unsigned long start, unsigned long end,
 			vma = vma->vm_next;
 
 			err = walk_page_test(start, next, walk);
-			if (err > 0)
+			if (err > 0) {
+				/*
+				 * positive return values are purely for
+				 * controlling the pagewalk, so should never
+				 * be passed to the callers.
+				 */
+				err = 0;
 				continue;
+			}
 			if (err < 0)
 				break;
 		}