Messages in this thread Patch in this message | | | From | Rasmus Villemoes <> | Subject | [PATCH 2/2] lib: list_sort_test(): Add extra corruption check | Date | Sat, 21 Jun 2014 01:49:02 +0200 |
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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> --- lib/list_sort.c | 5 +++++ 1 file changed, 5 insertions(+)
diff --git a/lib/list_sort.c b/lib/list_sort.c index 291412a..832f525 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", -- 1.9.2
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