diff mbox

media: bpf: ensure bpf program is freed on detach

Message ID 20180704145758.14363-1-sean@mess.org (mailing list archive)
State New, archived
Headers show

Commit Message

Sean Young July 4, 2018, 2:57 p.m. UTC 
Currently we are leaking bpf programs when they are detached from the
lirc device; the refcount never reaches zero.

Signed-off-by: Sean Young <sean@mess.org>
---
 drivers/media/rc/bpf-lirc.c | 1 +
 1 file changed, 1 insertion(+)
diff mbox

Patch

diff --git a/drivers/media/rc/bpf-lirc.c b/drivers/media/rc/bpf-lirc.c
index fcfab6635f9c..81b150e5dfdb 100644
--- a/drivers/media/rc/bpf-lirc.c
+++ b/drivers/media/rc/bpf-lirc.c
@@ -174,6 +174,7 @@  static int lirc_bpf_detach(struct rc_dev *rcdev, struct bpf_prog *prog)
 
 	rcu_assign_pointer(raw->progs, new_array);
 	bpf_prog_array_free(old_array);
+	bpf_prog_put(prog);
 unlock:
 	mutex_unlock(&ir_raw_handler_lock);
 	return ret;