Path: csiph.com!1.us.feeder.erje.net!2.us.feeder.erje.net!feeder.erje.net!2.eu.feeder.erje.net!news2.arglkargh.de!news.mixmin.net!aioe.org!news.servidellagleba.it!bofh.it!news.nic.it!robomod From: Byungchul Park Newsgroups: linux.kernel Subject: [PATCH v6 08/15] lockdep: Fix incorrect condition to print bug msgs for MAX_LOCKDEP_CHAIN_HLOCKS Date: Tue, 14 Mar 2017 09:30:02 +0100 Message-ID: References: X-Original-Senderip: 156.147.1.127 X-Original-Mailfrom: byungchul.park@lge.com X-Original-Senderip: 165.244.249.25 X-Original-Mailfrom: byungchul.park@lge.com X-Original-Senderip: 10.177.222.33 X-Original-Mailfrom: byungchul.park@lge.com X-Mailer: git-send-email 1.9.1 X-Mimetrack: Itemize by SMTP Server on LGEKRMHUB02/LGE/LG Group(Release 8.5.3FP6|November 21, 2013) at 2017/03/14 17:19:45, Serialize by Router on LGEKRMHUB02/LGE/LG Group(Release 8.5.3FP6|November 21, 2013) at 2017/03/14 17:19:45, Serialize complete at 2017/03/14 17:19:45 MIME-Version: 1.0 Content-Type: text/plain Sender: robomod@news.nic.it List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Approved: robomod@news.nic.it Lines: 23 Organization: linux.* mail to news gateway X-Original-Cc: , , , , , , , , , , X-Original-Date: Tue, 14 Mar 2017 17:18:55 +0900 X-Original-Message-ID: <1489479542-27030-9-git-send-email-byungchul.park@lge.com> X-Original-References: <1489479542-27030-1-git-send-email-byungchul.park@lge.com> X-Original-Sender: linux-kernel-owner@vger.kernel.org Xref: csiph.com linux.kernel:1600106 Bug messages and stack dump for MAX_LOCKDEP_CHAIN_HLOCKS should be printed only once. Signed-off-by: Byungchul Park --- kernel/locking/lockdep.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/locking/lockdep.c b/kernel/locking/lockdep.c index c78dd9d..ef26725 100644 --- a/kernel/locking/lockdep.c +++ b/kernel/locking/lockdep.c @@ -2267,7 +2267,7 @@ static inline int add_chain_cache(struct task_struct *curr, * Important for check_no_collision(). */ if (unlikely(nr_chain_hlocks > MAX_LOCKDEP_CHAIN_HLOCKS)) { - if (debug_locks_off_graph_unlock()) + if (!debug_locks_off_graph_unlock()) return 0; print_lockdep_off("BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low!"); -- 1.9.1