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md: raid1: kill warning on powerpc_pseries

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This patch kills the warning reported on powerpc_pseries,
and actually we don't need the initialization.

	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];
       ^

Signed-off-by: Ming Lei <tom.leiming@gmail.com>
Signed-off-by: Shaohua Li <shli@fb.com>
This commit is contained in:
Ming Lei 2017-03-28 16:17:55 +08:00 committed by Shaohua Li
parent 0bb0c10500
commit 8fc04e6ea0
1 changed files with 1 additions and 1 deletions
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drivers/md/raid1.c
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@ -2157,7 +2157,7 @@ static void process_checks(struct r1bio *r1_bio)
struct page **ppages = get_resync_pages(pbio)->pages;
struct page **spages = get_resync_pages(sbio)->pages;
struct bio_vec *bi;
int page_len[RESYNC_PAGES];
int page_len[RESYNC_PAGES] = { 0 };
if (sbio->bi_end_io != end_sync_read)
continue;