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 <dan.carpenter@xxxxxxxxxx>
---
Only needed in linux-next.
diff --git a/drivers/media/dvb-core/dvb_ca_en50221.c b/drivers/media/dvb-core/dvb_ca_en50221.c
index 190e5e0..0aac309 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;
}
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