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integrity: ima iint radix_tree_lookup locking fix

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Based on Andrew Morton's comments:
- add missing locks around radix_tree_lookup in ima_iint_insert()

Signed-off-by: Mimi Zohar <zohar@us.ibm.com>
Cc: James Morris <jmorris@namei.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: James Morris <jmorris@namei.org>
This commit is contained in:
Mimi Zohar 2009-02-20 14:28:29 -08:00 • committed by James Morris
parent 1581e7ddbd
commit be38e0fd5f
1 changed files with 2 additions and 0 deletions
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2
security/integrity/ima/ima_iint.c
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@ -73,8 +73,10 @@ out:
if (rc < 0) { if (rc < 0) {
kmem_cache_free(iint_cache, iint); kmem_cache_free(iint_cache, iint);
if (rc == -EEXIST) { if (rc == -EEXIST) {
spin_lock(&ima_iint_lock);
iint = radix_tree_lookup(&ima_iint_store, iint = radix_tree_lookup(&ima_iint_store,
(unsigned long)inode); (unsigned long)inode);
spin_unlock(&ima_iint_lock);
} else } else
iint = NULL; iint = NULL;
} }