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.ste...@freescale.com>
Cc: Oleg Nesterov <o...@redhat.com>
Cc: Alexander Viro <v...@zeniv.linux.org.uk>
Cc: triv...@kernel.org
---
fs/super.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fs/super.c b/fs/super.c
index 954aeb8..7ea56de 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);
--
2.5.1
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