linux-kernel - [PATCH 3/3] signal: remove jffs2_garbage_collect_thread()->allow

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Message-ID: <20151003181341.GA1064@redhat.com>
Date:	Sat, 3 Oct 2015 20:13:41 +0200
From:	Oleg Nesterov <oleg@...hat.com>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	David Woodhouse <dwmw2@...radead.org>, Felipe Balbi <balbi@...com>,
	Markus Pargmann <mpa@...gutronix.de>,
	Tejun Heo <tj@...nel.org>, linux-kernel@...r.kernel.org,
	linux-mtd@...ts.infradead.org
Subject: [PATCH 3/3] signal: remove
	jffs2_garbage_collect_thread()->allow_signal(SIGCONT)

jffs2_garbage_collect_thread() does allow_signal(SIGCONT) for no reason,
SIGCONT will wake a stopped task up even if it is ignored.

Signed-off-by: Oleg Nesterov <oleg@...hat.com>
---
 fs/jffs2/background.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/fs/jffs2/background.c b/fs/jffs2/background.c
index 53cc735..e5c1783 100644
--- a/fs/jffs2/background.c
+++ b/fs/jffs2/background.c
@@ -80,7 +80,6 @@ static int jffs2_garbage_collect_thread(void *_c)
 	siginitset(&hupmask, sigmask(SIGHUP));
 	allow_signal(SIGKILL);
 	allow_signal(SIGSTOP);
-	allow_signal(SIGCONT);
 	allow_signal(SIGHUP);
 
 	c->gc_task = current;
-- 
2.4.3

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