[PATCH net-next v2 1/2] of: net: pass the dst buffer to of_get_mac_address()
Michael Walle
michael at walle.cc
Wed Apr 14 13:56:30 BST 2021
Hi Dan,
Am 2021-04-14 07:33, schrieb Dan Carpenter:
> url:
> https://github.com/0day-ci/linux/commits/Michael-Walle/of-net-support-non-platform-devices-in-of_get_mac_address/20210406-234030
> base:
> https://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git
> cc0626c2aaed8e475efdd85fa374b497a7192e35
> config: x86_64-randconfig-m001-20210406 (attached as .config)
> compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
>
> If you fix the issue, kindly add following tag as appropriate
> Reported-by: kernel test robot <lkp at intel.com>
> Reported-by: Dan Carpenter <dan.carpenter at oracle.com>
>
> smatch warnings:
> drivers/net/ethernet/xilinx/xilinx_axienet_main.c:2069 axienet_probe()
> warn: passing a valid pointer to 'PTR_ERR'
>
> vim +/PTR_ERR +2069 drivers/net/ethernet/xilinx/xilinx_axienet_main.c
>
> 522856cefaf09d Robert Hancock 2019-06-06 2060 /* Check for
> Ethernet core IRQ (optional) */
> 522856cefaf09d Robert Hancock 2019-06-06 2061 if (lp->eth_irq
> <= 0)
> 522856cefaf09d Robert Hancock 2019-06-06 2062
> dev_info(&pdev->dev, "Ethernet core IRQ not defined\n");
> 522856cefaf09d Robert Hancock 2019-06-06 2063
> 8a3b7a252dca9f Daniel Borkmann 2012-01-19 2064 /* Retrieve the
> MAC address */
> 411b125c6ace1f Michael Walle 2021-04-06 2065 ret =
> of_get_mac_address(pdev->dev.of_node, mac_addr);
> 411b125c6ace1f Michael Walle 2021-04-06 2066 if (!ret) {
> 411b125c6ace1f Michael Walle 2021-04-06 2067
> axienet_set_mac_address(ndev, mac_addr);
> 411b125c6ace1f Michael Walle 2021-04-06 2068 } else {
> d05a9ed5c3a773 Robert Hancock 2019-06-06 @2069
> dev_warn(&pdev->dev, "could not find MAC address property: %ld\n",
> d05a9ed5c3a773 Robert Hancock 2019-06-06 2070
> PTR_ERR(mac_addr));
>
> ^^^^^^^^^^^^^^^^^
> This should print "ret".
Thanks, this was fixed (in the now merged) v4. I forgot
to add you to that huge CC list. Sorry for that.
-michael
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