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Commit c4fe29a3 authored by Dan Carpenter's avatar Dan Carpenter Committed by Mauro Carvalho Chehab
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[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: default avatarDan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@redhat.com>
parent 9898df64

drivers/media/dvb-core/dvb_ca_en50221.c

+5 −2
Original line number Diff line number Diff line
@@ -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;

}