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 <li...@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..fbdbc86 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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/