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media: bpf: ensure bpf program is freed on detach 

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>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
This commit is contained in:
Sean Young 2018-07-04 10:57:58 -04:00 committed by Mauro Carvalho Chehab
parent 7c1b9a5aee
commit 39fbb88165
1 changed files with 1 additions and 0 deletions
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1
drivers/media/rc/bpf-lirc.c
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@ -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;