diff options
Diffstat (limited to 'drivers/hwtracing/stm')
| -rw-r--r-- | drivers/hwtracing/stm/core.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/drivers/hwtracing/stm/core.c b/drivers/hwtracing/stm/core.c index 0db303b..4a626d8 100644 --- a/drivers/hwtracing/stm/core.c +++ b/drivers/hwtracing/stm/core.c @@ -816,10 +816,8 @@ static void __stm_source_link_drop(struct stm_source_device *src, spin_lock(&stm->link_lock); spin_lock(&src->link_lock); link = srcu_dereference_check(src->link, &stm_source_srcu, 1); - if (WARN_ON_ONCE(link != stm)) { - spin_unlock(&src->link_lock); - return; - } + if (WARN_ON_ONCE(link != stm)) + goto unlock; stm_output_free(link, &src->output); list_del_init(&src->link_entry); @@ -827,6 +825,7 @@ static void __stm_source_link_drop(struct stm_source_device *src, stm_put_device(link); rcu_assign_pointer(src->link, NULL); +unlock: spin_unlock(&src->link_lock); spin_unlock(&stm->link_lock); } |