[ath6kl:pending 41/41] drivers/net/wireless/ath/ath10k/core.c:877:2: warning: ignoring return value of 'strscpy', declared with attribute warn_unused_result

[kbuild test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/kvalo/ath.git pending
head:   5d01bd0fd2c14409ae67a04c46b8519137c4a877
commit: 5d01bd0fd2c14409ae67a04c46b8519137c4a877 [41/41] ath10k: search DT for qcom,ath10k-calibration-variant
config: i386-randconfig-x076-201743 (attached as .config)
compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901
reproduce:
        git checkout 5d01bd0fd2c14409ae67a04c46b8519137c4a877
        # save the attached .config to linux build tree
        make ARCH=i386 

All warnings (new ones prefixed by >>):

   drivers/net/wireless/ath/ath10k/core.c: In function 'ath10k_core_check_dt':
>> drivers/net/wireless/ath/ath10k/core.c:877:2: warning: ignoring return value of 'strscpy', declared with attribute warn_unused_result [-Wunused-result]
     strscpy(ar->id.bdf_ext, variant, sizeof(ar->id.bdf_ext));
     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

vim +/strscpy +877 drivers/net/wireless/ath/ath10k/core.c

   862	
   863	static int ath10k_core_check_dt(struct ath10k *ar)
   864	{
   865		struct device_node *node;
   866		const char *variant = NULL;
   867	
   868		node = ar->dev->of_node;
   869		if (!node)
   870			return -ENOENT;
   871	
   872		of_property_read_string(node, "qcom,ath10k-calibration-variant",
   873					&variant);
   874		if (!variant)
   875			return -ENODATA;
   876	
 > 877		strscpy(ar->id.bdf_ext, variant, sizeof(ar->id.bdf_ext));
   878	
   879		return 0;
   880	}
   881	

---
0-DAY kernel test infrastructure                Open Source Technology Center
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