hollalinux
/
linux-sg2042
mirror of https://github.com/sophgo/linux-riscv.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

[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 <dan.carpenter@oracle.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Dan Carpenter 2013-01-04 14:56:02 -03:00 committed by Mauro Carvalho Chehab
parent 9898df6482
commit c4fe29a32f
1 changed files with 5 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
drivers/media/dvb-core/dvb_ca_en50221.c
View File

@ -1227,8 +1227,10 @@ static int dvb_ca_en50221_io_do_ioctl(struct file *file,
case CA_GET_SLOT_INFO: { case CA_GET_SLOT_INFO: {
struct ca_slot_info *info = parg; struct ca_slot_info *info = parg;
if ((info->num > ca->slot_count) || (info->num < 0)) if ((info->num > ca->slot_count) || (info->num < 0)) {
return -EINVAL; err = -EINVAL;
goto out_unlock;
}
info->type = CA_CI_LINK; info->type = CA_CI_LINK;
info->flags = 0; info->flags = 0;
@ -1247,6 +1249,7 @@ static int dvb_ca_en50221_io_do_ioctl(struct file *file,
break; break;
} }
out_unlock:
mutex_unlock(&ca->ioctl_mutex); mutex_unlock(&ca->ioctl_mutex);
return err; return err;
} }