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Commit 5c04f551 authored by Vasiliy Kulikov's avatar Vasiliy Kulikov Committed by NeilBrown
Browse files

md: check return code of read_sb_page 



Function read_sb_page may return ERR_PTR(...). Check for it.

Signed-off-by: default avatarVasiliy Kulikov <segooon@gmail.com>
Cc: Neil Brown <neilb@suse.de>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarNeilBrown <neilb@suse.de>
parent db8d9d35

drivers/md/bitmap.c

+5 −4
Original line number Original line Diff line number Diff line
@@ -1000,7 +1000,8 @@ static int bitmap_init_from_disk(struct bitmap *bitmap, sector_t start) 
				page = bitmap->sb_page;

				page = bitmap->sb_page;

				offset = sizeof(bitmap_super_t);

				offset = sizeof(bitmap_super_t);

				if (!file)

				if (!file)

					read_sb_page(bitmap->mddev,

					page = read_sb_page(

						bitmap->mddev,

						bitmap->mddev->bitmap_info.offset,

						bitmap->mddev->bitmap_info.offset,

						page,

						page,

						index, count);

						index, count);