The WARN_ON() macro doesn't take an error message, it just takes a condition. I've changed this to use WARN(1, "...") instead. Fixes: 3e148a320979 ("md/raid1: fix potential data inconsistency issue with write behind device") Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx> --- I also considered changing it to: WARN(!found, "..."); but I decided this way was more clear. It's to have the error path indented an extra tab. --- drivers/md/raid1.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c index 3d44da663797..34e26834ad28 100644 --- a/drivers/md/raid1.c +++ b/drivers/md/raid1.c @@ -96,7 +96,7 @@ static void remove_wb(struct md_rdev *rdev, sector_t lo, sector_t hi) } if (!found) - WARN_ON("The write behind IO is not recorded\n"); + WARN(1, "The write behind IO is not recorded\n"); spin_unlock_irqrestore(&rdev->wb_list_lock, flags); wake_up(&rdev->wb_io_wait); } -- 2.20.1