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 14/17] net: usb: sr9800: fix uninitialized local variable
Date: Sat, 26 Oct 2019 09:22:58 -0400 [thread overview]
Message-ID: <20191026132302.4622-14-sashal@kernel.org> (raw)
In-Reply-To: <20191026132302.4622-1-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
next prev parent reply other threads:[~2019-10-26 13:23 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-10-26 13:22 [PATCH AUTOSEL 4.4 01/17] iommu/arm-smmu: Free context bitmap in the err path of arm_smmu_init_domain_context Sasha Levin
2019-10-26 13:22 ` Sasha Levin
2019-10-26 13:22 ` [PATCH AUTOSEL 4.4 02/17] mac80211_hwsim: fix incorrect dev_alloc_name failure goto Sasha Levin
2019-10-26 13:22 ` [PATCH AUTOSEL 4.4 03/17] mac80211: accept deauth frames in IBSS mode Sasha Levin
2019-10-26 13:22 ` [PATCH AUTOSEL 4.4 04/17] llc: fix sk_buff leak in llc_sap_state_process() Sasha Levin
2019-10-26 13:22 ` [PATCH AUTOSEL 4.4 05/17] llc: fix sk_buff leak in llc_conn_service() Sasha Levin
2019-10-26 13:22 ` [PATCH AUTOSEL 4.4 06/17] llc: fix another potential sk_buff leak in llc_ui_sendmsg() Sasha Levin
2019-10-26 13:22 ` [PATCH AUTOSEL 4.4 07/17] llc: fix sk_buff refcounting in llc_conn_state_process() Sasha Levin
2019-10-26 13:22 ` [PATCH AUTOSEL 4.4 08/17] net: stmmac: fix length of PTP clock's name string Sasha Levin
2019-10-26 13:22 ` [PATCH AUTOSEL 4.4 09/17] bonding: fix potential NULL deref in bond_update_slave_arr Sasha Levin
2019-10-26 13:22 ` [PATCH AUTOSEL 4.4 10/17] drm/msm/dsi: Implement reset correctly Sasha Levin
2019-10-26 13:22 ` Sasha Levin
2019-10-26 13:22 ` Sasha Levin
2019-10-26 13:22 ` [PATCH AUTOSEL 4.4 11/17] hrtimer: Annotate lockless access to timer->base Sasha Levin
2019-10-26 13:22 ` [PATCH AUTOSEL 4.4 12/17] xtensa: fix {get,put}_user() for 64bit values Sasha Levin
2019-10-26 13:22 ` [PATCH AUTOSEL 4.4 13/17] net: bcmgenet: Fix RGMII_MODE_EN value for GENET v1/2/3 Sasha Levin
2019-10-26 13:22 ` Sasha Levin [this message]
2019-10-26 13:22 ` [PATCH AUTOSEL 4.4 15/17] usb: hso: obey DMA rules in tiocmget Sasha Levin
2019-10-26 13:23 ` [PATCH AUTOSEL 4.4 16/17] ocfs2: fix error handling in ocfs2_setattr() Sasha Levin
2019-10-26 13:23 ` [PATCH AUTOSEL 4.4 17/17] scripts/gdb: fix debugging modules on s390 Sasha Levin
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