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authorVincent Stehlé <vincent.stehle@freescale.com>2015-09-21 17:18:34 +0200
committerJiri Kosina <jkosina@suse.cz>2015-12-08 14:50:57 +0100
commit22224a17587c90e25371e7d07c079548359b2039 (patch)
treeb9dc29b68a83375d3063a8713a879f3c682b024f /fs/super.c
parentd83e2a4ea2296620e8f6cb724e60190826c43a3f (diff)
downloadlinux-22224a17587c90e25371e7d07c079548359b2039.tar.bz2
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>
Diffstat (limited to 'fs/super.c')
-rw-r--r--fs/super.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/super.c b/fs/super.c
index 954aeb80e202..7ea56de57d4b 100644
--- a/fs/super.c
+++ b/fs/super.c
@@ -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);