linux-kernel - Re: [PATCH 2/2] mfd: rtsx: fix build warning

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Date:	Wed, 7 Oct 2015 20:40:37 +0800
From:	kbuild test robot <lkp@...el.com>
To:	Sudip Mukherjee <sudipm.mukherjee@...il.com>
Cc:	kbuild-all@...org, Lee Jones <lee.jones@...aro.org>,
	linux-kernel@...r.kernel.org,
	Sudip Mukherjee <sudipm.mukherjee@...il.com>
Subject: Re: [PATCH 2/2] mfd: rtsx: fix build warning

Hi Sudip,

[auto build test ERROR on v4.3-rc4 -- if it's inappropriate base, please ignore]

config: x86_64-randconfig-x003-201540 (attached as .config)
reproduce:
        # save the attached .config to linux build tree
        make ARCH=x86_64 

All errors (new ones prefixed by >>):

   drivers/mfd/rtsx_pcr.c: In function 'rtsx_pci_set_pull_ctl':
>> drivers/mfd/rtsx_pcr.c:572:2: error: 'err' undeclared (first use in this function)
     err = rtsx_pci_send_cmd(pcr, 100);
     ^
   drivers/mfd/rtsx_pcr.c:572:2: note: each undeclared identifier is reported only once for each function it appears in

vim +/err +572 drivers/mfd/rtsx_pcr.c

ada8a8a1 Wei WANG 2012-10-29  566  	while (*tbl & 0xFFFF0000) {
ada8a8a1 Wei WANG 2012-10-29  567  		rtsx_pci_add_cmd(pcr, WRITE_REG_CMD,
ada8a8a1 Wei WANG 2012-10-29  568  				(u16)(*tbl >> 16), 0xFF, (u8)(*tbl));
ada8a8a1 Wei WANG 2012-10-29  569  		tbl++;
ada8a8a1 Wei WANG 2012-10-29  570  	}
ada8a8a1 Wei WANG 2012-10-29  571  
ada8a8a1 Wei WANG 2012-10-29 @572  	err = rtsx_pci_send_cmd(pcr, 100);
ada8a8a1 Wei WANG 2012-10-29  573  	if (err < 0)
ada8a8a1 Wei WANG 2012-10-29  574  		return err;
ada8a8a1 Wei WANG 2012-10-29  575  

:::::: The code at line 572 was first introduced by commit
:::::: ada8a8a13b13a2749818524a7949935f68d2b3eb mfd: Add realtek pcie card reader driver

:::::: TO: Wei WANG <wei_wang@...lsil.com.cn>
:::::: CC: Samuel Ortiz <sameo@...ux.intel.com>

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

Download attachment ".config.gz" of type "application/octet-stream" (31195 bytes)