Warning like this: drivers/md/md.c: In function ‘update_array_info’: drivers/md/md.c:6394:26: warning: logical not is only applied to the left hand side of comparison [-Wlogical-not-parentheses] !mddev->persistent != info->not_persistent|| I fix it by enclosing !mddev->persistent with parentheses By the way, I also fixed a line over 80 characters warning outputed by ./scripts/checkpatch.pl Signed-off-by: Firo Yang <firogm@xxxxxxxxx> --- drivers/md/md.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/md/md.c b/drivers/md/md.c index dd85be9..b420d82 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -6391,9 +6391,10 @@ static int update_array_info(struct mddev *mddev, mdu_array_info_t *info) mddev->ctime != info->ctime || mddev->level != info->level || /* mddev->layout != info->layout || */ - !mddev->persistent != info->not_persistent|| + (!mddev->persistent) != info->not_persistent || mddev->chunk_sectors != info->chunk_size >> 9 || - /* ignore bottom 8 bits of state, and allow SB_BITMAP_PRESENT to change */ + /* ignore bottom 8 bits of state, and allow SB_BITMAP_PRESENT + to change */ ((state^info->state) & 0xfffffe00) ) return -EINVAL; -- 2.4.2 -- To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html