False positive. Should be fixed in the latest...
regards,
dan carpenter
On Fri, Jul 31, 2015 at 03:51:05PM +0800, kbuild test robot wrote:
> TO: Andy Shevchenko <andriy.shevche...@linux.intel.com>
> CC: kbuild-...@01.org
>
> tree: git://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
> master
> head: 37bd1ea52d362219b1882814cb75bb365736890f
> commit: f2ce8a9e48385f444389e75cfe293637c3eb5410 [4077/5676] net/macb:
> improve big endian CPU support
> :::::: branch date: 2 hours ago
> :::::: commit date: 4 days ago
>
> New smatch warnings:
> drivers/net/ethernet/cadence/macb.c:2876 macb_probe() warn: variable
> dereferenced before check 'native_io' (see line 2860)
>
> Old smatch warnings:
> drivers/net/ethernet/cadence/macb.c:2890 macb_probe() error: we previously
> assumed 'macb_config' could be null (see line 2885)
>
> git remote add linux-next
> git://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
> git remote update linux-next
> git checkout f2ce8a9e48385f444389e75cfe293637c3eb5410
> vim +/native_io +2876 drivers/net/ethernet/cadence/macb.c
>
> c69618b3 Nicolas Ferre 2015-03-31 2854 err = clk_init(pdev, &pclk,
> &hclk, &tx_clk);
> c69618b3 Nicolas Ferre 2015-03-31 2855 if (err)
> c69618b3 Nicolas Ferre 2015-03-31 2856 return err;
> c69618b3 Nicolas Ferre 2015-03-31 2857
> f2ce8a9e Andy Shevchenko 2015-07-24 2858 native_io =
> hw_is_native_io(mem);
> 421d9df0 Cyrille Pitchen 2015-03-07 2859
> f2ce8a9e Andy Shevchenko 2015-07-24 @2860 macb_probe_queues(mem,
> native_io, &queue_mask, &num_queues);
> 421d9df0 Cyrille Pitchen 2015-03-07 2861 dev =
> alloc_etherdev_mq(sizeof(*bp), num_queues);
> c69618b3 Nicolas Ferre 2015-03-31 2862 if (!dev) {
> c69618b3 Nicolas Ferre 2015-03-31 2863 err = -ENOMEM;
> c69618b3 Nicolas Ferre 2015-03-31 2864 goto err_disable_clocks;
> c69618b3 Nicolas Ferre 2015-03-31 2865 }
> 421d9df0 Cyrille Pitchen 2015-03-07 2866
> 421d9df0 Cyrille Pitchen 2015-03-07 2867 dev->base_addr = regs->start;
> 421d9df0 Cyrille Pitchen 2015-03-07 2868
> 421d9df0 Cyrille Pitchen 2015-03-07 2869 SET_NETDEV_DEV(dev, &pdev->dev);
> 421d9df0 Cyrille Pitchen 2015-03-07 2870
> 421d9df0 Cyrille Pitchen 2015-03-07 2871 bp = netdev_priv(dev);
> 421d9df0 Cyrille Pitchen 2015-03-07 2872 bp->pdev = pdev;
> 421d9df0 Cyrille Pitchen 2015-03-07 2873 bp->dev = dev;
> 421d9df0 Cyrille Pitchen 2015-03-07 2874 bp->regs = mem;
> f2ce8a9e Andy Shevchenko 2015-07-24 2875 bp->native_io = native_io;
> f2ce8a9e Andy Shevchenko 2015-07-24 @2876 if (native_io) {
> f2ce8a9e Andy Shevchenko 2015-07-24 2877 bp->readl =
> hw_readl_native;
> f2ce8a9e Andy Shevchenko 2015-07-24 2878 bp->writel =
> hw_writel_native;
> f2ce8a9e Andy Shevchenko 2015-07-24 2879 } else {
>
> ---
> 0-DAY kernel test infrastructure Open Source Technology Center
> https://lists.01.org/pipermail/kbuild-all Intel Corporation
_______________________________________________
kbuild mailing list
kbuild@lists.01.org
https://lists.01.org/mailman/listinfo/kbuild
