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* [Patch] Dereference in fs/jbd/journal.c
@ 2006-10-05 10:56 Eric Sesterhenn
  0 siblings, 0 replies; only message in thread
From: Eric Sesterhenn @ 2006-10-05 10:56 UTC (permalink / raw)
  To: linux-kernel; +Cc: Zoltan.Menyhart

hi,

since the commit http://www.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=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>

--- linux-2.6.19-rc1/fs/jbd/journal.c.orig	2006-10-05 12:53:24.000000000 +0200
+++ linux-2.6.19-rc1/fs/jbd/journal.c	2006-10-05 12:53:41.000000000 +0200
@@ -724,7 +724,7 @@ journal_t * journal_init_dev(struct bloc
 		printk(KERN_ERR "%s: Cant allocate bhs for commit thread\n",
 			__FUNCTION__);
 		kfree(journal);
-		journal = NULL;
+		return NULL;
 	}
 	journal->j_dev = bdev;
 	journal->j_fs_dev = fs_dev;



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2006-10-05 10:56 [Patch] Dereference in fs/jbd/journal.c Eric Sesterhenn

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