diff options
Diffstat (limited to 'block/blk-stat.c')
| -rw-r--r-- | block/blk-stat.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/block/blk-stat.c b/block/blk-stat.c index 0d8721a60db9..188b535cf4d6 100644 --- a/block/blk-stat.c +++ b/block/blk-stat.c @@ -210,7 +210,8 @@ static void blk_stat_free_callback_rcu(struct rcu_head *head) void blk_stat_free_callback(struct blk_stat_callback *cb) { - call_rcu(&cb->rcu, blk_stat_free_callback_rcu); + if (cb) + call_rcu(&cb->rcu, blk_stat_free_callback_rcu); } EXPORT_SYMBOL_GPL(blk_stat_free_callback); |