github-mirror/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-06-08 14:42:37 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity Graph

net: usb: sr9800: fix uninitialized local variable

Browse Source 
commit 77b6d09f4a upstream.

Make sure res does not contain random value if the call to
sr_read_cmd fails for some reason.

Reported-by: syzbot+f1842130bbcfb335bac1@syzkaller.appspotmail.com
Signed-off-by: Valentin Vidic <vvidic@valentin-vidic.from.hr>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Valentin Vidic 2019-10-15 22:20:20 +02:00 committed by Greg Kroah-Hartman
parent 14a703ef2d
commit 3ecf8529d5
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/net/usb/sr9800.c
View File

@ -336,7 +336,7 @@ static void sr_set_multicast(struct net_device *net)
static int sr_mdio_read(struct net_device *net, int phy_id, int loc)
{
struct usbnet *dev = netdev_priv(net);
__le16 res;
__le16 res = 0;
mutex_lock(&dev->phy_mutex);
sr_set_sw_mii(dev);