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| author | Vasiliy Kulikov <segooon@gmail.com> | 2010-10-01 14:18:12 -0700 |
|---|---|---|
| committer | NeilBrown <neilb@suse.de> | 2010-10-07 12:02:50 +1100 |
| commit | 5c04f5512f8134c75cd36e5b0354e10e330f4e6e (patch) | |
| tree | 7733d3a123e8be8782d345e6310a6c208bfc6606 | |
| parent | db8d9d3591f77cc6b66248b2cdfa1c43deee5ec9 (diff) | |
| download | linux-5c04f5512f8134c75cd36e5b0354e10e330f4e6e.tar.bz2 | |
md: check return code of read_sb_page
Function read_sb_page may return ERR_PTR(...). Check for it.
Signed-off-by: Vasiliy Kulikov <segooon@gmail.com>
Cc: Neil Brown <neilb@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: NeilBrown <neilb@suse.de>
| -rw-r--r-- | drivers/md/bitmap.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/drivers/md/bitmap.c b/drivers/md/bitmap.c index ed4900ade93a..e4fb58db5454 100644 --- a/drivers/md/bitmap.c +++ b/drivers/md/bitmap.c @@ -1000,10 +1000,11 @@ static int bitmap_init_from_disk(struct bitmap *bitmap, sector_t start) page = bitmap->sb_page; offset = sizeof(bitmap_super_t); if (!file) - read_sb_page(bitmap->mddev, - bitmap->mddev->bitmap_info.offset, - page, - index, count); + page = read_sb_page( + bitmap->mddev, + bitmap->mddev->bitmap_info.offset, + page, + index, count); } else if (file) { page = read_page(file, index, bitmap, count); offset = 0; |