linux-kernel - fs/hfs/btree.c: new NULL dereference

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Message-ID: <20080114211305.GI9847@does.not.exist>
Date:	Mon, 14 Jan 2008 23:13:05 +0200
From:	Adrian Bunk <bunk@...nel.org>
To:	Eric Sandeen <sandeen@...hat.com>, zippel@...ux-m68k.org
Cc:	linux-kernel@...r.kernel.org
Subject: fs/hfs/btree.c: new NULL dereference

The Coverity checker spotted the following NULL dereference introduced 
by commit cf0594625083111ae522496dc1c256f7476939c2:

<--  snip  -->

...
struct hfs_btree *hfs_btree_open(struct super_block *sb, u32 id, btree_keycmp keycmp)
{
...
        if (!tree->inode)
                goto free_tree;
...
 free_tree:
        tree->inode->i_mapping->a_ops = &hfs_aops;
...

<--  snip  -->

cu
Adrian

-- 

       "Is there not promise of rain?" Ling Tan asked suddenly out
        of the darkness. There had been need of rain for many days.
       "Only a promise," Lao Er said.
                                       Pearl S. Buck - Dragon Seed

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