summaryrefslogtreecommitdiffstats
path: root/net/core/dev_ioctl.c
diff options
context:
space:
mode:
authorMark Brown <broonie@kernel.org>2018-01-08 15:54:50 +0000
committerMark Brown <broonie@kernel.org>2018-01-08 15:54:50 +0000
commit498495dba268b20e8eadd7fe93c140c68b6cc9d2 (patch)
tree00d1562049d8bc2194fddd9ba0cbbe0812ad6f68 /net/core/dev_ioctl.c
parentd5cc0a1fcbb5ddbef9fdd4c4a978da3254ddbf37 (diff)
parent5c256045b87b8aa8e5bc9d2e2fdc0802351c1f99 (diff)
downloadlinux-stable-498495dba268b20e8eadd7fe93c140c68b6cc9d2.tar.gz
linux-stable-498495dba268b20e8eadd7fe93c140c68b6cc9d2.tar.bz2
linux-stable-498495dba268b20e8eadd7fe93c140c68b6cc9d2.zip
Merge branch 'fix/intel' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into asoc-intel
Diffstat (limited to 'net/core/dev_ioctl.c')
-rw-r--r--net/core/dev_ioctl.c14
1 files changed, 13 insertions, 1 deletions
diff --git a/net/core/dev_ioctl.c b/net/core/dev_ioctl.c
index 709a4e6fb447..7e690d0ccd05 100644
--- a/net/core/dev_ioctl.c
+++ b/net/core/dev_ioctl.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
#include <linux/kmod.h>
#include <linux/netdevice.h>
#include <linux/etherdevice.h>
@@ -303,7 +304,18 @@ static int dev_ifsioc(struct net *net, struct ifreq *ifr, unsigned int cmd)
case SIOCSIFTXQLEN:
if (ifr->ifr_qlen < 0)
return -EINVAL;
- dev->tx_queue_len = ifr->ifr_qlen;
+ if (dev->tx_queue_len ^ ifr->ifr_qlen) {
+ unsigned int orig_len = dev->tx_queue_len;
+
+ dev->tx_queue_len = ifr->ifr_qlen;
+ err = call_netdevice_notifiers(
+ NETDEV_CHANGE_TX_QUEUE_LEN, dev);
+ err = notifier_to_errno(err);
+ if (err) {
+ dev->tx_queue_len = orig_len;
+ return err;
+ }
+ }
return 0;
case SIOCSIFNAME: