Building on arch/s390/ flags this as an error, so add the __noreturn attribute modifier to prevent the 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] Fixes: 48debafe4f2f ("dm: add writecache target") Signed-off-by: Randy Dunlap <rdun...@infradead.org> Cc: Mikulas Patocka <mpato...@redhat.com> Cc: Alasdair Kergon <a...@redhat.com> Cc: Mike Snitzer <snit...@redhat.com> Cc: dm-devel@redhat.com Cc: Heiko Carstens <h...@linux.ibm.com> Cc: Vasily Gorbik <g...@linux.ibm.com> Cc: Christian Borntraeger <borntrae...@de.ibm.com> Cc: linux-s...@vger.kernel.org --- drivers/md/dm-writecache.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- linux-next-20201113.orig/drivers/md/dm-writecache.c +++ linux-next-20201113/drivers/md/dm-writecache.c @@ -317,7 +317,7 @@ err1: return r; } #else -static int persistent_memory_claim(struct dm_writecache *wc) +static int __noreturn persistent_memory_claim(struct dm_writecache *wc) { BUG(); } -- dm-devel mailing list dm-devel@redhat.com https://www.redhat.com/mailman/listinfo/dm-devel