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From: Greg KH on 26 Jan 2010 14:40
2.6.27-stable review patch. If anyone has any objections, please let us know.

------------------

From: Dan Carpenter <error27(a)gmail.com>

commit ece550f51ba175c14ec3ec047815927d7386ea1f upstream.

The "full_alg_name" variable is used on a couple error paths, so we
shouldn't free it until the end.

Signed-off-by: Dan Carpenter <error27(a)gmail.com>
Signed-off-by: Tyler Hicks <tyhicks(a)linux.vnet.ibm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh(a)suse.de>

---
fs/ecryptfs/crypto.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

--- a/fs/ecryptfs/crypto.c
+++ b/fs/ecryptfs/crypto.c
@@ -1733,7 +1733,7 @@ ecryptfs_process_key_cipher(struct crypt
char *cipher_name, size_t *key_size)
{
char dummy_key[ECRYPTFS_MAX_KEY_BYTES];
- char *full_alg_name;
+ char *full_alg_name = NULL;
int rc;

*key_tfm = NULL;
@@ -1748,7 +1748,6 @@ ecryptfs_process_key_cipher(struct crypt
if (rc)
goto out;
*key_tfm = crypto_alloc_blkcipher(full_alg_name, 0, CRYPTO_ALG_ASYNC);
- kfree(full_alg_name);
if (IS_ERR(*key_tfm)) {
rc = PTR_ERR(*key_tfm);
printk(KERN_ERR "Unable to allocate crypto cipher with name "
@@ -1770,6 +1769,7 @@ ecryptfs_process_key_cipher(struct crypt
goto out;
}
out:
+ kfree(full_alg_name);
return rc;
}



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