Commit 22224a17 authored Sep 21, 2015 by Vincent Stehlé Committed by Jiri Kosina Dec 08, 2015

fs/super.c: use && instead of & for warn_on condition



This fixes the following sparse warning:

  fs/super.c:1202:9: warning: dubious: x & !y

Bitwise and logical and are equivalent here, but logical was intended.
The generated code is identical, with and without CONFIG_LOCKDEP.

Signed-off-by: Vincent Stehlé <vincent.stehle@freescale.com>
Acked-by: Oleg Nesterov <oleg@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>

parent d83e2a4e

fs/super.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -1199,7 +1199,7 @@ int __sb_start_write(struct super_block *sb, int level, bool wait)
		else
		ret = percpu_down_read_trylock(sb->s_writers.rw_sem + level-1);

		WARN_ON(force_trylock & !ret);
		WARN_ON(force_trylock && !ret);
		return ret;
		}
		EXPORT_SYMBOL(__sb_start_write);