From c40329943ab411fb2581018751c51caffd003916 Mon Sep 17 00:00:00 2001 From: Mike Snitzer Date: Fri, 13 Nov 2020 14:52:28 -0800 Subject: dm writecache: remove BUG() and fail gracefully instead commit 857c4c0a8b2888d806f4308c58f59a6a81a1dee9 upstream. Building on arch/s390/ results in this build error: cc1: some warnings being treated as errors ../drivers/md/dm-writecache.c: In function 'persistent_memory_claim': ../drivers/md/dm-writecache.c:323:1: error: no return statement in function returning non-void [-Werror=return-type] Fix this by replacing the BUG() with an -EOPNOTSUPP return. Fixes: 48debafe4f2f ("dm: add writecache target") Reported-by: Randy Dunlap Signed-off-by: Mike Snitzer Signed-off-by: Greg Kroah-Hartman --- drivers/md/dm-writecache.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/md') diff --git a/drivers/md/dm-writecache.c b/drivers/md/dm-writecache.c index b97c56109c74..a1d4166864d0 100644 --- a/drivers/md/dm-writecache.c +++ b/drivers/md/dm-writecache.c @@ -318,7 +318,7 @@ err1: #else static int persistent_memory_claim(struct dm_writecache *wc) { - BUG(); + return -EOPNOTSUPP; } #endif -- cgit v1.2.3