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

drivers/w1/slaves/w1_ds250x.c:215:1-3: 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: d835b3166dd6 ("w1: add DS2501, DS2502, DS2505 EPROM device driver")
CC: Thomas Bogendoerfer <tbogendoer...@suse.de>
Signed-off-by: kbuild test robot <l...@intel.com>
---

url:    
https://github.com/0day-ci/linux/commits/Thomas-Bogendoerfer/w1-add-1-wire-master-driver-for-IP-block-found-in-SGI-ASICs/20190830-122322

 w1_ds250x.c |    5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

--- a/drivers/w1/slaves/w1_ds250x.c
+++ b/drivers/w1/slaves/w1_ds250x.c
@@ -212,10 +212,7 @@ static int w1_eprom_add_slave(struct w1_
        nvmem_cfg.size = data->size;
 
        nvmem = devm_nvmem_register(&sl->dev, &nvmem_cfg);
-       if (IS_ERR(nvmem))
-               return PTR_ERR(nvmem);
-
-       return 0;
+       return PTR_ERR_OR_ZERO(nvmem);
 }
 
 static struct w1_family_ops w1_eprom_fops = {

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