From: Rasmus Villemoes <linux@rasmusvillemoes.dk>
To: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>,
Don Mullis <don.mullis@gmail.com>,
Dave Chinner <david@fromorbit.com>
Cc: linux-kernel@vger.kernel.org,
Rasmus Villemoes <linux@rasmusvillemoes.dk>
Subject: [PATCH v2 2/4] lib: list_sort_test(): Add extra corruption check
Date: Tue, 24 Jun 2014 12:06:29 +0200 [thread overview]
Message-ID: <1403604392-23259-3-git-send-email-linux@rasmusvillemoes.dk> (raw)
In-Reply-To: <1403604392-23259-1-git-send-email-linux@rasmusvillemoes.dk>
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..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
next prev parent reply other threads:[~2014-06-24 10:07 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-06-24 10:06 [PATCH v2 0/4] lib: list_sort: Various minor improvements Rasmus Villemoes
2014-06-24 10:06 ` [PATCH v2 1/4] lib: list_sort_test(): Return -ENOMEM when allocation fails Rasmus Villemoes
2014-06-24 10:06 ` Rasmus Villemoes [this message]
2014-06-24 10:06 ` [PATCH v2 3/4] lib: list_sort_test(): Simplify and harden cleanup Rasmus Villemoes
2014-06-24 10:06 ` [PATCH v2 4/4] lib: list_sort.c: Limit number of unused cmp callbacks Rasmus Villemoes
2014-06-25 21:53 ` [PATCH v2 0/4] lib: list_sort: Various minor improvements Andrew Morton
2014-06-25 22:28 ` Rasmus Villemoes
2014-06-25 22:32 ` Andrew Morton
2014-06-25 22:47 ` Rasmus Villemoes
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