[PATCH] pinctrl: mcp23s08: Split to three parts: fix ptr_ret.cocci warnings

[kernel test robot]

From: kernel test robot <l...@intel.com>

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


 Use PTR_ERR_OR_ZERO rather than if(IS_ERR(...)) + PTR_ERR

Generated by: scripts/coccinelle/api/ptr_ret.cocci

Fixes: 0f04a81784fe ("pinctrl: mcp23s08: Split to three parts: core, I²C, SPI")
CC: Andy Shevchenko <andriy.shevche...@linux.intel.com>
Signed-off-by: kernel test robot <l...@intel.com>
---

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

 pinctrl-mcp23s08_spi.c |    5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

--- a/drivers/pinctrl/pinctrl-mcp23s08_spi.c
+++ b/drivers/pinctrl/pinctrl-mcp23s08_spi.c
@@ -126,10 +126,7 @@ static int mcp23s08_spi_regmap_init(stru
        copy->name = name;
 
        mcp->regmap = devm_regmap_init(dev, &mcp23sxx_spi_regmap, mcp, copy);
-       if (IS_ERR(mcp->regmap))
-               return PTR_ERR(mcp->regmap);
-
-       return 0;
+       return PTR_ERR_OR_ZERO(mcp->regmap);
 }
 
 static int mcp23s08_probe(struct spi_device *spi)