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

This is Eric Sesterhenn's jbd patch applied to jbd2.
Commit: 41716c7c21

His words:

Since commit d1807793e1 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>
This commit is contained in:
Dave Kleikamp 2006-10-17 00:09:35 -07:00 committed by Linus Torvalds
parent 3f4a0b917c
commit 5eb30790d4

View file

@ -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;
}