Subject: linux-next: build warnings after merge of the block tree

From: Stephen Rothwell <[email-masked]>
Date: Thu, 1 Mar 2018 11:26:24 +1100

Hi Jens,

After merging the block tree, today's linux-next build (x86_64
allmodconfig) produced these warning:

In file included from drivers/misc/cardreader/rts5209.c:24:0:
include/linux/rtsx_pci.h:40:0: warning: "SG_END" redefined
 #define   SG_END   0x02
 
In file included from include/linux/dmapool.h:14:0,
                 from include/linux/pci.h:1311,
                 from include/linux/rtsx_pci.h:26,
                 from drivers/misc/cardreader/rts5209.c:24:
include/linux/scatterlist.h:69:0: note: this is the location of the previous definition
 #define SG_END  0x02UL
 
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

and many more the same.

Introduced by commit

  723fbf563a6a ("lib/scatterlist: Add SG_CHAIN and SG_END macros for LSB encodings")

-- 
Cheers,
Stephen Rothwell