[PATCH] null dereference in fs/jbd2/journal.c

This is Eric Sesterhenn's jbd patch applied to jbd2.
Commit: 41716c7c21b15e7ecf14f0caf1eef3980707fb74

His words:

Since commit d1807793e1e7e502e3dc047115e9dbc3b50e4534 we dereference a NULL
pointer.  Coverity id #1432.  We set journal to NULL, and use it directly
afterwards.

Signed-off-by: Dave Kleikamp <shaggy@austin.ibm.com>
Cc: Eric Sesterhenn <snakebyte@gmx.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

fs/jbd2/journal.c

@@ -725,6 +725,7 @@ journal_t * jbd2_journal_init_dev(struct block_device *bdev,
 			__FUNCTION__);
 		kfree(journal);
 		journal = NULL;
+		goto out;
 	}
 	journal->j_dev = bdev;
 	journal->j_fs_dev = fs_dev;
@@ -735,7 +736,7 @@ journal_t * jbd2_journal_init_dev(struct block_device *bdev,
 	J_ASSERT(bh != NULL);
 	journal->j_sb_buffer = bh;
 	journal->j_superblock = (journal_superblock_t *)bh->b_data;
-
+out:
 	return journal;
 }