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 <[email protected]> Reviewed-by: Tejun Heo <[email protected]> Cc: David Woodhouse <[email protected]> Cc: Felipe Balbi <[email protected]> Cc: Markus Pargmann <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
dtwlin · Nov 7, 2015 · 9317bb9 · 9317bb9
1 parent 9a13049
commit 9317bb9
Showing 1 changed file with 0 additions and 1 deletion.
diff --git 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;