diff options
| author | Mikulas Patocka <mpatocka@redhat.com> | 2021-07-27 16:45:13 +0300 |
|---|---|---|
| committer | Mike Snitzer <snitzer@redhat.com> | 2021-08-10 20:27:48 +0300 |
| commit | df699cc16ea5ef93a917676dcdd4376e02860ad5 (patch) | |
| tree | 42f36f10ae9c97497f16440df12823a5b8b7d662 /drivers/md/dm-writecache.c | |
| parent | 15cb6f39dbaf391dd3b70389c2882df998d5189a (diff) | |
| download | linux-df699cc16ea5ef93a917676dcdd4376e02860ad5.tar.xz | |
dm writecache: report invalid return from writecache_map helpers
If some "writecache_map_*" function returns invalid state, it is a bug.
So, we should report it and not fail silently.
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Diffstat (limited to 'drivers/md/dm-writecache.c')
| -rw-r--r-- | drivers/md/dm-writecache.c | 5 |
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; } } |