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Subjectlinux-next: build warning after merge of the md tree
Hi Shaohua,

After merging the md tree, today's linux-next build (powerpc
pseries_le_defconfig) produced this warning:

drivers/md/raid1.c: In function 'raid1d':
drivers/md/raid1.c:2172:9: warning: 'page_len$' may be used uninitialized in this function [-Wmaybe-uninitialized]
if (memcmp(page_address(ppages[j]),
drivers/md/raid1.c:2160:7: note: 'page_len$' was declared here
int page_len[RESYNC_PAGES];

Introduced by commit

60928a91b0b3 ("md: raid1: use bio helper in process_checks()")

Stephen Rothwell

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