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author | Sean Young <sean@mess.org> | 2018-07-04 16:57:58 +0200 |
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committer | Mauro Carvalho Chehab <mchehab+samsung@kernel.org> | 2018-07-13 17:07:29 +0200 |
commit | 39fbb88165b2bbbc77ea7acab5f10632a31526e6 (patch) | |
tree | 9a19d89f580e4b9a9bd7e2497f3e6975b68b37c8 /drivers | |
parent | media: exynos4-is: Prevent NULL pointer dereference in __isp_video_try_fmt() (diff) | |
download | linux-39fbb88165b2bbbc77ea7acab5f10632a31526e6.tar.xz linux-39fbb88165b2bbbc77ea7acab5f10632a31526e6.zip |
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>
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/media/rc/bpf-lirc.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/media/rc/bpf-lirc.c b/drivers/media/rc/bpf-lirc.c index 40826bba06b6..55400317ec53 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; |