drivers/pinctrl/pinctrl-mcp23s08_spi.c:129:1-3: WARNING: PTR_ERR_OR_ZERO can be used

[kernel test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   cf0c97f148e9e50aa5a7ddd1984a604dd2bde4af
commit: 0f04a81784fe3ddc00cae74c517265b3ddb8825c pinctrl: mcp23s08: Split to three parts: core, I²C, SPI
date:   8 weeks ago
config: parisc-randconfig-c021-20200607 (attached as .config)
compiler: hppa-linux-gcc (GCC) 9.3.0

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@xxxxxxxxx>


coccinelle warnings: (new ones prefixed by >>)

>> drivers/pinctrl/pinctrl-mcp23s08_spi.c:129:1-3: WARNING: PTR_ERR_OR_ZERO can be used

Please review and possibly fold the followup patch.

---
0-DAY CI Kernel Test Service, Intel Corporation
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Attachment: .config.gz
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