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From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: linux-kernel@vger.kernel.org
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	stable@vger.kernel.org, Abaci Robot <abaci@linux.alibaba.com>,
	Jiapeng Chong <jiapeng.chong@linux.alibaba.com>,
	"David S. Miller" <davem@davemloft.net>,
	Sasha Levin <sashal@kernel.org>
Subject: [PATCH 5.10 35/38] rtnetlink: Fix missing error code in rtnl_bridge_notify()
Date: Wed, 16 Jun 2021 17:33:44 +0200	[thread overview]
Message-ID: <20210616152836.507544876@linuxfoundation.org> (raw)
In-Reply-To: <20210616152835.407925718@linuxfoundation.org>

From: Jiapeng Chong <jiapeng.chong@linux.alibaba.com>

[ Upstream commit a8db57c1d285c758adc7fb43d6e2bad2554106e1 ]

The error code is missing in this code scenario, add the error code
'-EINVAL' to the return value 'err'.

Eliminate the follow smatch warning:

net/core/rtnetlink.c:4834 rtnl_bridge_notify() warn: missing error code
'err'.

Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 net/core/rtnetlink.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
index eae8e87930cd..83894723ebee 100644
--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -4842,8 +4842,10 @@ static int rtnl_bridge_notify(struct net_device *dev)
 	if (err < 0)
 		goto errout;
 
-	if (!skb->len)
+	if (!skb->len) {
+		err = -EINVAL;
 		goto errout;
+	}
 
 	rtnl_notify(skb, net, 0, RTNLGRP_LINK, NULL, GFP_ATOMIC);
 	return 0;
-- 
2.30.2




  parent reply	other threads:[~2021-06-16 15:38 UTC|newest]

Thread overview: 50+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-06-16 15:33 [PATCH 5.10 00/38] 5.10.45-rc1 review Greg Kroah-Hartman
2021-06-16 15:33 ` [PATCH 5.10 01/38] net: ieee802154: fix null deref in parse dev addr Greg Kroah-Hartman
2021-06-16 15:33 ` [PATCH 5.10 02/38] HID: quirks: Set INCREMENT_USAGE_ON_DUPLICATE for Saitek X65 Greg Kroah-Hartman
2021-06-16 15:33 ` [PATCH 5.10 03/38] HID: a4tech: use A4_2WHEEL_MOUSE_HACK_B8 for A4TECH NB-95 Greg Kroah-Hartman
2021-06-16 15:33 ` [PATCH 5.10 04/38] HID: hid-input: add mapping for emoji picker key Greg Kroah-Hartman
2021-06-16 15:33 ` [PATCH 5.10 05/38] HID: hid-sensor-hub: Return error for hid_set_field() failure Greg Kroah-Hartman
2021-06-16 15:33 ` [PATCH 5.10 06/38] HID: quirks: Add quirk for Lenovo optical mouse Greg Kroah-Hartman
2021-06-16 15:33 ` [PATCH 5.10 07/38] HID: multitouch: set Stylus suffix for Stylus-application devices, too Greg Kroah-Hartman
2021-06-16 15:33 ` [PATCH 5.10 08/38] HID: Add BUS_VIRTUAL to hid_connect logging Greg Kroah-Hartman
2021-06-16 15:33 ` [PATCH 5.10 09/38] HID: usbhid: fix info leak in hid_submit_ctrl Greg Kroah-Hartman
2021-06-16 15:33 ` [PATCH 5.10 10/38] drm/tegra: sor: Do not leak runtime PM reference Greg Kroah-Hartman
2021-06-16 15:33 ` [PATCH 5.10 11/38] gpu: host1x: Split up client initalization and registration Greg Kroah-Hartman
2021-06-16 15:33 ` [PATCH 5.10 12/38] drm/tegra: sor: Fully initialize SOR before registration Greg Kroah-Hartman
2021-06-16 15:33 ` [PATCH 5.10 13/38] ARM: OMAP1: Fix use of possibly uninitialized irq variable Greg Kroah-Hartman
2021-06-16 15:33 ` [PATCH 5.10 14/38] ARM: OMAP2+: Fix build warning when mmc_omap is not built Greg Kroah-Hartman
2021-06-16 15:33 ` [PATCH 5.10 15/38] gfs2: Prevent direct-I/O write fallback errors from getting lost Greg Kroah-Hartman
2021-06-16 15:33 ` [PATCH 5.10 16/38] gfs2: fix a deadlock on withdraw-during-mount Greg Kroah-Hartman
2021-06-16 15:33 ` [PATCH 5.10 17/38] HID: gt683r: add missing MODULE_DEVICE_TABLE Greg Kroah-Hartman
2021-06-16 15:33 ` [PATCH 5.10 18/38] riscv: Use -mno-relax when using lld linker Greg Kroah-Hartman
2021-06-16 15:33 ` [PATCH 5.10 19/38] gfs2: Fix use-after-free in gfs2_glock_shrink_scan Greg Kroah-Hartman
2021-06-16 15:33 ` [PATCH 5.10 20/38] scsi: target: core: Fix warning on realtime kernels Greg Kroah-Hartman
2021-06-16 15:33 ` [PATCH 5.10 21/38] ethernet: myri10ge: Fix missing error code in myri10ge_probe() Greg Kroah-Hartman
2021-06-16 15:33 ` [PATCH 5.10 22/38] scsi: qedf: Do not put host in qedf_vport_create() unconditionally Greg Kroah-Hartman
2021-06-16 15:33 ` [PATCH 5.10 23/38] Bluetooth: Add a new USB ID for RTL8822CE Greg Kroah-Hartman
2021-06-16 15:33 ` [PATCH 5.10 24/38] scsi: scsi_devinfo: Add blacklist entry for HPE OPEN-V Greg Kroah-Hartman
2021-06-16 15:33 ` [PATCH 5.10 25/38] nvme-loop: reset queue count to 1 in nvme_loop_destroy_io_queues() Greg Kroah-Hartman
2021-06-16 15:33 ` [PATCH 5.10 26/38] nvme-loop: clear NVME_LOOP_Q_LIVE when nvme_loop_configure_admin_queue() fails Greg Kroah-Hartman
2021-06-16 15:33 ` [PATCH 5.10 27/38] nvme-loop: check for NVME_LOOP_Q_LIVE in nvme_loop_destroy_admin_queue() Greg Kroah-Hartman
2021-06-16 15:33 ` [PATCH 5.10 28/38] nvme-loop: do not warn for deleted controllers during reset Greg Kroah-Hartman
2021-06-16 15:33 ` [PATCH 5.10 29/38] net: ipconfig: Dont override command-line hostnames or domains Greg Kroah-Hartman
2021-06-16 15:33 ` [PATCH 5.10 30/38] drm/amd/display: Allow bandwidth validation for 0 streams Greg Kroah-Hartman
2021-06-16 15:33 ` [PATCH 5.10 31/38] drm/amdgpu: refine amdgpu_fru_get_product_info Greg Kroah-Hartman
2021-06-16 15:33 ` [PATCH 5.10 32/38] drm/amd/display: Fix overlay validation by considering cursors Greg Kroah-Hartman
2021-06-16 16:02   ` Harry Wentland
2021-06-16 15:33 ` [PATCH 5.10 33/38] drm/amd/display: Fix potential memory leak in DMUB hw_init Greg Kroah-Hartman
2021-06-16 15:33 ` [PATCH 5.10 34/38] drm/amd/amdgpu:save psp ring wptr to avoid attack Greg Kroah-Hartman
2021-06-16 15:33 ` Greg Kroah-Hartman [this message]
2021-06-18 23:58   ` [PATCH 5.10 35/38] rtnetlink: Fix missing error code in rtnl_bridge_notify() Alexander Tsoy
2021-06-19  6:45     ` Greg Kroah-Hartman
2021-06-19 13:06       ` Alexander Tsoy
2021-06-16 15:33 ` [PATCH 5.10 36/38] net/x25: Return the correct errno code Greg Kroah-Hartman
2021-06-16 15:33 ` [PATCH 5.10 37/38] net: " Greg Kroah-Hartman
2021-06-16 15:33 ` [PATCH 5.10 38/38] fib: " Greg Kroah-Hartman
2021-06-16 21:07 ` [PATCH 5.10 00/38] 5.10.45-rc1 review Fox Chen
2021-06-16 22:40 ` Florian Fainelli
2021-06-17  6:51 ` Pavel Machek
2021-06-17  9:04 ` Naresh Kamboju
2021-06-17 10:27 ` Samuel Zou
2021-06-17 11:00 ` Sudip Mukherjee
2021-06-17 21:39 ` Guenter Roeck

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