From: kernel test robot <yujie.liu@intel.com>
To: Vincent Mailhol <mailhol.vincent@wanadoo.fr>
Cc: <kbuild-all@lists.01.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Marc Kleine-Budde <mkl@pengutronix.de>,
Arunachalam Santhanam <arunachalam.santhanam@in.bosch.com>
Subject: drivers/net/can/usb/etas_es58x/es58x_fd.c:174:8: warning: Uninitialized variable: rx_event_msg [uninitvar]
Date: Wed, 2 Mar 2022 17:47:08 +0800 [thread overview]
Message-ID: <5f13b914-e309-49ee-4f98-c81780c478b9@intel.com> (raw)
In-Reply-To: <202203021333.mMJpWPzx-lkp@intel.com>
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 575115360652e9920cc56a028a286ebe9bf82694
commit: c664e2137a27680922d8aeb64fb10313416b254f can: etas_es58x: add support for the ETAS ES58X_FD CAN USB interfaces
date: 11 months ago
compiler: powerpc64-linux-gcc (GCC) 11.2.0
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <yujie.liu@intel.com>
cppcheck possible warnings: (new ones prefixed by >>, may not be real problems)
In file included from drivers/net/can/usb/etas_es58x/es58x_fd.c:
>> drivers/net/can/usb/etas_es58x/es58x_fd.c:174:8: warning: Uninitialized variable: rx_event_msg [uninitvar]
ret = es58x_check_msg_len(es58x_dev->dev, *rx_event_msg, msg_len);
^
vim +174 drivers/net/can/usb/etas_es58x/es58x_fd.c
c664e2137a2768 Vincent Mailhol 2021-04-10 165
c664e2137a2768 Vincent Mailhol 2021-04-10 166 static int es58x_fd_rx_event_msg(struct net_device *netdev,
c664e2137a2768 Vincent Mailhol 2021-04-10 167 const struct es58x_fd_urb_cmd *es58x_fd_urb_cmd)
c664e2137a2768 Vincent Mailhol 2021-04-10 168 {
c664e2137a2768 Vincent Mailhol 2021-04-10 169 struct es58x_device *es58x_dev = es58x_priv(netdev)->es58x_dev;
c664e2137a2768 Vincent Mailhol 2021-04-10 170 u16 msg_len = get_unaligned_le16(&es58x_fd_urb_cmd->msg_len);
c664e2137a2768 Vincent Mailhol 2021-04-10 @171 const struct es58x_fd_rx_event_msg *rx_event_msg;
c664e2137a2768 Vincent Mailhol 2021-04-10 172 int ret;
c664e2137a2768 Vincent Mailhol 2021-04-10 173
c664e2137a2768 Vincent Mailhol 2021-04-10 @174 ret = es58x_check_msg_len(es58x_dev->dev, *rx_event_msg, msg_len);
c664e2137a2768 Vincent Mailhol 2021-04-10 175 if (ret)
c664e2137a2768 Vincent Mailhol 2021-04-10 176 return ret;
c664e2137a2768 Vincent Mailhol 2021-04-10 177
c664e2137a2768 Vincent Mailhol 2021-04-10 178 rx_event_msg = &es58x_fd_urb_cmd->rx_event_msg;
c664e2137a2768 Vincent Mailhol 2021-04-10 179
c664e2137a2768 Vincent Mailhol 2021-04-10 180 return es58x_rx_err_msg(netdev, rx_event_msg->error_code,
c664e2137a2768 Vincent Mailhol 2021-04-10 181 rx_event_msg->event_code,
c664e2137a2768 Vincent Mailhol 2021-04-10 182 get_unaligned_le64(&rx_event_msg->timestamp));
c664e2137a2768 Vincent Mailhol 2021-04-10 183 }
c664e2137a2768 Vincent Mailhol 2021-04-10 184
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
next parent reply other threads:[~2022-03-02 9:47 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <202203021333.mMJpWPzx-lkp@intel.com>
2022-03-02 9:47 ` kernel test robot [this message]
2022-03-02 10:32 ` drivers/net/can/usb/etas_es58x/es58x_fd.c:174:8: warning: Uninitialized variable: rx_event_msg [uninitvar] Marc Kleine-Budde
2022-03-02 12:49 ` Vincent MAILHOL
2022-03-02 13:04 ` Marc Kleine-Budde
2022-03-02 14:42 ` Vincent MAILHOL
2022-03-02 14:47 ` Marc Kleine-Budde
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