Signed-off-by: Ye Bin <[email protected]>
---
drivers/md/dm-cache-metadata.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/drivers/md/dm-cache-metadata.c b/drivers/md/dm-cache-metadata.c
index af6d4f898e4c..397b0fc04c8d 100644
--- a/drivers/md/dm-cache-metadata.c
+++ b/drivers/md/dm-cache-metadata.c
@@ -1761,14 +1761,16 @@ int dm_cache_metadata_all_clean(struct
dm_cache_metadata *cmd, bool *result)
void dm_cache_metadata_set_read_only(struct dm_cache_metadata *cmd)
{
WRITE_LOCK_VOID(cmd);
- dm_bm_set_read_only(cmd->bm);
+ if (cmd->bm)
+ dm_bm_set_read_only(cmd->bm);
WRITE_UNLOCK(cmd);
}
void dm_cache_metadata_set_read_write(struct dm_cache_metadata *cmd)
{
WRITE_LOCK_VOID(cmd);
- dm_bm_set_read_write(cmd->bm);
+ if (cmd->bm)
+ dm_bm_set_read_write(cmd->bm);
WRITE_UNLOCK(cmd);
}
--
2.25.4
--
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