tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 2f73937c9aa561e2082839bc1a8efaac75d6e244 commit: d9cead75b1c66b4660b4f87ff339234042d7c6a5 [2764/5318] can: flexcan: add mcf5441x support config: h8300-randconfig-m031-20210804 (attached as .config) compiler: h8300-linux-gcc (GCC) 10.3.0 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> Reported-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx> smatch warnings: drivers/net/can/flexcan.c:666 flexcan_clks_enable() error: uninitialized symbol 'err'. vim +/err +666 drivers/net/can/flexcan.c ca10989632d882 Aisheng Dong 2018-11-30 650 static int flexcan_clks_enable(const struct flexcan_priv *priv) ca10989632d882 Aisheng Dong 2018-11-30 651 { ca10989632d882 Aisheng Dong 2018-11-30 652 int err; ca10989632d882 Aisheng Dong 2018-11-30 653 d9cead75b1c66b Angelo Dureghello 2021-07-02 654 if (priv->clk_ipg) { ca10989632d882 Aisheng Dong 2018-11-30 655 err = clk_prepare_enable(priv->clk_ipg); ca10989632d882 Aisheng Dong 2018-11-30 656 if (err) ca10989632d882 Aisheng Dong 2018-11-30 657 return err; d9cead75b1c66b Angelo Dureghello 2021-07-02 658 } ca10989632d882 Aisheng Dong 2018-11-30 659 d9cead75b1c66b Angelo Dureghello 2021-07-02 660 if (priv->clk_per) { ca10989632d882 Aisheng Dong 2018-11-30 661 err = clk_prepare_enable(priv->clk_per); ca10989632d882 Aisheng Dong 2018-11-30 662 if (err) ca10989632d882 Aisheng Dong 2018-11-30 663 clk_disable_unprepare(priv->clk_ipg); d9cead75b1c66b Angelo Dureghello 2021-07-02 664 } Smatch is complaining that both priv->clk_ipg and priv->clk_per can be false... Probably impossible in real life. ca10989632d882 Aisheng Dong 2018-11-30 665 ca10989632d882 Aisheng Dong 2018-11-30 @666 return err; ca10989632d882 Aisheng Dong 2018-11-30 667 } --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
