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authorValentin Vidic <vvidic@valentin-vidic.from.hr>2019-10-15 23:20:20 +0300
committerDavid S. Miller <davem@davemloft.net>2019-10-16 07:02:12 +0300
commit77b6d09f4ae66d42cd63b121af67780ae3d1a5e9 (patch)
tree3149c2baffcb1c36b6cba732ebb67e4866950c4a /drivers/net/usb/sr9800.c
parentefb86fede98cdc70b674692ff617b1162f642c49 (diff)
downloadlinux-77b6d09f4ae66d42cd63b121af67780ae3d1a5e9.tar.xz
net: usb: sr9800: fix uninitialized local variable
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>
Diffstat (limited to 'drivers/net/usb/sr9800.c')
-rw-r--r--drivers/net/usb/sr9800.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/net/usb/sr9800.c b/drivers/net/usb/sr9800.c
index c5d4a0060124..681e0def6356 100644
--- a/drivers/net/usb/sr9800.c
+++ b/drivers/net/usb/sr9800.c
@@ -335,7 +335,7 @@ 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);