md: check return code of read_sb_page
authorVasiliy Kulikov <segooon@gmail.com>
Fri, 1 Oct 2010 21:18:12 +0000 (14:18 -0700)
committerNeilBrown <neilb@suse.de>
Thu, 7 Oct 2010 01:02:50 +0000 (12:02 +1100)
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>

No differences found