If some "writecache_map_*" function returns invalid status, it is a bug. So, we should report it and not fail silently. Signed-off-by: Mikulas Patocka <mpatocka@xxxxxxxxxx> --- drivers/md/dm-writecache.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) Index: linux-2.6/drivers/md/dm-writecache.c =================================================================== --- linux-2.6.orig/drivers/md/dm-writecache.c 2021-07-27 15:29:19.000000000 +0200 +++ linux-2.6/drivers/md/dm-writecache.c 2021-07-27 15:37:30.000000000 +0200 @@ -1585,10 +1585,13 @@ done: return DM_MAPIO_SUBMITTED; case WC_MAP_ERROR: - default: wc_unlock(wc); bio_io_error(bio); return DM_MAPIO_SUBMITTED; + + default: + BUG(); + return -1; } } -- dm-devel mailing list dm-devel@xxxxxxxxxx https://listman.redhat.com/mailman/listinfo/dm-devel
