From: Eric Sesterhenn <snakebyte@gmx.de>
Date: Wed, 11 Oct 2006 08:20:37 +0000 (-0700)
Subject: [PATCH] null dereference in fs/jbd/journal.c
X-Git-Tag: v2.6.19-rc2~139
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=41716c7c21b15e7ecf14f0caf1eef3980707fb74;p=profile%2Fivi%2Fkernel-x86-ivi.git

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

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

Signed-off-by: Eric Sesterhenn <snakebyte@gmx.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---

diff --git a/fs/jbd/journal.c b/fs/jbd/journal.c
index c518dd8..b85c686 100644
--- a/fs/jbd/journal.c
+++ b/fs/jbd/journal.c
@@ -725,6 +725,7 @@ journal_t * 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 * 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;
 }