diff options
| -rw-r--r-- | drivers/accel/amdxdna/amdxdna_mailbox.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/accel/amdxdna/amdxdna_mailbox.c b/drivers/accel/amdxdna/amdxdna_mailbox.c index 336e5e77f18a..37771bdb24a1 100644 --- a/drivers/accel/amdxdna/amdxdna_mailbox.c +++ b/drivers/accel/amdxdna/amdxdna_mailbox.c @@ -496,6 +496,9 @@ free_chann: void xdna_mailbox_free_channel(struct mailbox_channel *mb_chann) { + if (!mb_chann) + return; + destroy_workqueue(mb_chann->work_q); kfree(mb_chann); } @@ -542,6 +545,9 @@ void xdna_mailbox_stop_channel(struct mailbox_channel *mb_chann) struct mailbox_msg *mb_msg; unsigned long msg_id; + if (!mb_chann) + return; + /* Disable an irq and wait. This might sleep. */ free_irq(mb_chann->msix_irq, mb_chann); |