Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel…

…/git/ryusuke/nilfs2 * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ryusuke/nilfs2: nilfs2: fix crash after one superblock became unavailable
kishon · Jan 25, 2011 · 3af0365 · 3af0365
2 parents 01ed875 + 0ca7a5b
commit 3af0365
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/fs/nilfs2/super.c b/fs/nilfs2/super.c
@@ -704,7 +704,8 @@ static int nilfs_setup_super(struct nilfs_sb_info *sbi, int is_mount)
 	sbp[0]->s_state =
 		cpu_to_le16(le16_to_cpu(sbp[0]->s_state) & ~NILFS_VALID_FS);
 	/* synchronize sbp[1] with sbp[0] */
-	memcpy(sbp[1], sbp[0], nilfs->ns_sbsize);
+	if (sbp[1])
+		memcpy(sbp[1], sbp[0], nilfs->ns_sbsize);
 	return nilfs_commit_super(sbi, NILFS_SB_COMMIT_ALL);
 }