From: Sasha Levin <sashal@kernel.org>
To: linux-kernel@vger.kernel.org, stable@vger.kernel.org
Cc: Valentin Vidic <vvidic@valentin-vidic.from.hr>,
syzbot+f1842130bbcfb335bac1@syzkaller.appspotmail.com,
"David S . Miller" <davem@davemloft.net>,
Sasha Levin <sashal@kernel.org>,
linux-usb@vger.kernel.org, netdev@vger.kernel.org
Subject: [PATCH AUTOSEL 4.4 10/16] net: usb: sr9800: fix uninitialized local variable
Date: Fri, 25 Oct 2019 09:58:34 -0400 [thread overview]
Message-ID: <20191025135842.25977-10-sashal@kernel.org> (raw)
In-Reply-To: <20191025135842.25977-1-sashal@kernel.org>
From: Valentin Vidic <vvidic@valentin-vidic.from.hr>
[ Upstream commit 77b6d09f4ae66d42cd63b121af67780ae3d1a5e9 ]
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: Sasha Levin <sashal@kernel.org>
---
drivers/net/usb/sr9800.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/usb/sr9800.c b/drivers/net/usb/sr9800.c
index 004c955c1fd1b..da0ae16f5c74c 100644
--- a/drivers/net/usb/sr9800.c
+++ b/drivers/net/usb/sr9800.c
@@ -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);
--
2.20.1
parent reply other threads:[~2019-10-25 13:59 UTC|newest]
Thread overview: expand[flat|nested] mbox.gz Atom feed
[parent not found: <20191025135842.25977-1-sashal@kernel.org>]
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