Re: [PATCH V2] lib/scatterlist: Add SG_CHAIN and SG_END macros for LSB encodings

From: kbuild test robot
Date: Sat Feb 17 2018 - 14:29:52 EST


Hi Anshuman,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on linus/master]
[also build test WARNING on v4.16-rc1 next-20180216]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url: https://github.com/0day-ci/linux/commits/Anshuman-Khandual/lib-scatterlist-Add-SG_CHAIN-and-SG_END-macros-for-LSB-encodings/20180218-015554
config: x86_64-randconfig-s3-02180201 (attached as .config)
compiler: gcc-7 (Debian 7.3.0-1) 7.3.0
reproduce:
# save the attached .config to linux build tree
make ARCH=x86_64

All warnings (new ones prefixed by >>):

In file included from drivers/staging/rts5208/rtsx.h:180:0,
from drivers/staging/rts5208/rtsx.c:28:
>> drivers/staging/rts5208/rtsx_chip.h:343:0: warning: "SG_END" redefined
#define SG_END 0x02

In file included from include/linux/blkdev.h:28:0,
from drivers/staging/rts5208/rtsx.c:23:
include/linux/scatterlist.h:69:0: note: this is the location of the previous definition
#define SG_END 0x02UL


vim +/SG_END +343 drivers/staging/rts5208/rtsx_chip.h

fa590c22 Micky Ching 2013-11-12 340
fa590c22 Micky Ching 2013-11-12 341 /* SG descriptor */
fa590c22 Micky Ching 2013-11-12 342 #define SG_INT 0x04
fa590c22 Micky Ching 2013-11-12 @343 #define SG_END 0x02
fa590c22 Micky Ching 2013-11-12 344 #define SG_VALID 0x01
fa590c22 Micky Ching 2013-11-12 345

:::::: The code at line 343 was first introduced by commit
:::::: fa590c222fbaa428edb2ce2194638906cea1400a staging: rts5208: add support for rts5208 and rts5288

:::::: TO: Micky Ching <micky_ching@xxxxxxxxxxxxxx>
:::::: CC: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>

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