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SubjectRe: [v1] net:ethernet:cavium:octeon:octeon_mgmt: Handle return NULL error from devm_ioremap
Hi Arvind,

[auto build test ERROR on net-next/master]
[also build test ERROR on v4.9 next-20161214]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url: https://github.com/0day-ci/linux/commits/Arvind-Yadav/net-ethernet-cavium-octeon-octeon_mgmt-Handle-return-NULL-error-from-devm_ioremap/20161213-224624
config: mips-cavium_octeon_defconfig (attached as .config)
compiler: mips64-linux-gnuabi64-gcc (Debian 6.1.1-9) 6.1.1 20160705
reproduce:
wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# save the attached .config to linux build tree
make.cross ARCH=mips

All errors (new ones prefixed by >>):

drivers/net/ethernet/cavium/octeon/octeon_mgmt.c: In function 'octeon_mgmt_probe':
>> drivers/net/ethernet/cavium/octeon/octeon_mgmt.c:1473:11: error: 'dev' undeclared (first use in this function)
dev_err(dev, "failed to map I/O memory\n");
^~~
drivers/net/ethernet/cavium/octeon/octeon_mgmt.c:1473:11: note: each undeclared identifier is reported only once for each function it appears in

vim +/dev +1473 drivers/net/ethernet/cavium/octeon/octeon_mgmt.c

1467
1468 p->mix = (u64)devm_ioremap(&pdev->dev, p->mix_phys, p->mix_size);
1469 p->agl = (u64)devm_ioremap(&pdev->dev, p->agl_phys, p->agl_size);
1470 p->agl_prt_ctl = (u64)devm_ioremap(&pdev->dev, p->agl_prt_ctl_phys,
1471 p->agl_prt_ctl_size);
1472 if (!p->mix || !p->agl || !p->agl_prt_ctl) {
> 1473 dev_err(dev, "failed to map I/O memory\n");
1474 result = -ENOMEM;
1475 goto err;
1476 }

---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation
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