fs/hfs/btree.c: new NULL dereference

[Adrian Bunk]

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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