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-rw-r--r--drivers/md/dm-writecache.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/md/dm-writecache.c b/drivers/md/dm-writecache.c
index 64d7a798244a..e89868cf7d98 100644
--- a/drivers/md/dm-writecache.c
+++ b/drivers/md/dm-writecache.c
@@ -1545,10 +1545,13 @@ 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;
}
}