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slub: remove invalid reference to list iterator variable

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If list_for_each_entry, etc complete a traversal of the list, the iterator
variable ends up pointing to an address at an offset from the list head,
and not a meaningful structure.  Thus this value should not be used after
the end of the iterator.  The patch replaces s->name by al->name, which is
referenced nearby.

This problem was found using Coccinelle (http://coccinelle.lip6.fr/).

Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Pekka Enberg <penberg@kernel.org>
This commit is contained in:
Julia Lawall 2012-07-08 13:37:40 +02:00 committed by Pekka Enberg
parent 4b57ad9392
commit 068ce415be
1 changed files with 1 additions and 1 deletions
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2
mm/slub.c
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@ -5405,7 +5405,7 @@ static int __init slab_sysfs_init(void)
err = sysfs_slab_alias(al->s, al->name); err = sysfs_slab_alias(al->s, al->name);
if (err) if (err)
printk(KERN_ERR "SLUB: Unable to add boot slab alias" printk(KERN_ERR "SLUB: Unable to add boot slab alias"
" %s to sysfs\n", s->name); " %s to sysfs\n", al->name);
kfree(al); kfree(al);
} }