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

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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 <[email protected]>
Acked-by: Oleg Nesterov <[email protected]>
Signed-off-by: Jiri Kosina <[email protected]>
This commit is contained in:
Vincent Stehlé 2015-09-21 17:18:34 +02:00 • committed by Jiri Kosina
commit 22224a1758
1 changed files with 1 additions and 1 deletions
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fs/super.c
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@ -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);