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authorEric Sesterhenn <snakebyte@gmx.de>2006-10-11 04:20:37 -0400
committerLinus Torvalds <torvalds@g5.osdl.org>2006-10-11 14:14:14 -0400
commit41716c7c21b15e7ecf14f0caf1eef3980707fb74 (patch)
tree622cd9c92a31969681ef2c0cd865147dfa495933
parent7e491092e442b3f8c0d90d470b398fdb74703ec7 (diff)
[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>
-rw-r--r--fs/jbd/journal.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/fs/jbd/journal.c b/fs/jbd/journal.c
index c518dd8fe60a..b85c686b60db 100644
--- a/fs/jbd/journal.c
+++ b/fs/jbd/journal.c
@@ -725,6 +725,7 @@ journal_t * journal_init_dev(struct block_device *bdev,
725 __FUNCTION__); 725 __FUNCTION__);
726 kfree(journal); 726 kfree(journal);
727 journal = NULL; 727 journal = NULL;
728 goto out;
728 } 729 }
729 journal->j_dev = bdev; 730 journal->j_dev = bdev;
730 journal->j_fs_dev = fs_dev; 731 journal->j_fs_dev = fs_dev;
@@ -735,7 +736,7 @@ journal_t * journal_init_dev(struct block_device *bdev,
735 J_ASSERT(bh != NULL); 736 J_ASSERT(bh != NULL);
736 journal->j_sb_buffer = bh; 737 journal->j_sb_buffer = bh;
737 journal->j_superblock = (journal_superblock_t *)bh->b_data; 738 journal->j_superblock = (journal_superblock_t *)bh->b_data;
738 739out:
739 return journal; 740 return journal;
740} 741}
741 742