From c4fe29a32ffa16c1166edacad1edc2dcf0aaa08c Mon Sep 17 00:00:00 2001 From: Dan Carpenter Date: Fri, 4 Jan 2013 14:56:02 -0300 Subject: [PATCH] [media] dvb: unlock on error in dvb_ca_en50221_io_do_ioctl() We recently pushed the locking down into this function, but there was an error path where the unlock was missed. Signed-off-by: Dan Carpenter Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb-core/dvb_ca_en50221.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/drivers/media/dvb-core/dvb_ca_en50221.c b/drivers/media/dvb-core/dvb_ca_en50221.c index 190e5e0f48c7..0aac3096728e 100644 --- a/drivers/media/dvb-core/dvb_ca_en50221.c +++ b/drivers/media/dvb-core/dvb_ca_en50221.c @@ -1227,8 +1227,10 @@ static int dvb_ca_en50221_io_do_ioctl(struct file *file, case CA_GET_SLOT_INFO: { struct ca_slot_info *info = parg; - if ((info->num > ca->slot_count) || (info->num < 0)) - return -EINVAL; + if ((info->num > ca->slot_count) || (info->num < 0)) { + err = -EINVAL; + goto out_unlock; + } info->type = CA_CI_LINK; info->flags = 0; @@ -1247,6 +1249,7 @@ static int dvb_ca_en50221_io_do_ioctl(struct file *file, break; } +out_unlock: mutex_unlock(&ca->ioctl_mutex); return err; }