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authorRasmus Villemoes <linux@rasmusvillemoes.dk>2014-08-06 16:09:40 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2014-08-06 18:01:25 -0700
commit9d418dcc6d15539a9567b2ad7fe7473648989f44 (patch)
tree60e5064e246f254a65e0c2e979c4d0bf353fd00a
parent27d555d101c820ac4b1962680bd0192993c6e4e0 (diff)
lib: list_sort_test(): add extra corruption check
Add a check to make sure that the prev pointer of the list head points to the last element on the list. Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk> Cc: Artem Bityutskiy <artem.bityutskiy@linux.intel.com> Cc: Don Mullis <don.mullis@gmail.com> Cc: Dave Chinner <david@fromorbit.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
-rw-r--r--lib/list_sort.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/lib/list_sort.c b/lib/list_sort.c
index 291412ade89a..fbdbc867b252 100644
--- a/lib/list_sort.c
+++ b/lib/list_sort.c
@@ -272,6 +272,11 @@ static int __init list_sort_test(void)
}
count++;
}
+ if (head.prev != cur) {
+ printk(KERN_ERR "list_sort_test: error: list is corrupted\n");
+ goto exit;
+ }
+
if (count != TEST_LIST_LEN) {
printk(KERN_ERR "list_sort_test: error: bad list length %d",