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ecryptfs: fix unlocking in error paths

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Thanks to Josef Bacik for finding these.

A couple of ecryptfs error paths don't properly unlock things they locked.

Signed-off-by: Eric Sandeen <sandeen@redhat.com>
Cc: Josef Bacik <jbacik@redhat.com>
Cc: Michael Halcrow <mhalcrow@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Eric Sandeen 2007-12-22 14:03:26 -08:00 committed by Linus Torvalds
parent c525460e27
commit c8161f64cc
2 changed files with 5 additions and 4 deletions
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8
fs/ecryptfs/crypto.c
View File

@ -799,7 +799,7 @@ int ecryptfs_init_crypt_ctx(struct ecryptfs_crypt_stat *crypt_stat)
rc = ecryptfs_crypto_api_algify_cipher_name(&full_alg_name,
crypt_stat->cipher, "cbc");
if (rc)
goto out;
goto out_unlock;
crypt_stat->tfm = crypto_alloc_blkcipher(full_alg_name, 0,
CRYPTO_ALG_ASYNC);
kfree(full_alg_name);
@ -808,12 +808,12 @@ int ecryptfs_init_crypt_ctx(struct ecryptfs_crypt_stat *crypt_stat)
ecryptfs_printk(KERN_ERR, "cryptfs: init_crypt_ctx(): "
"Error initializing cipher [%s]\n",
crypt_stat->cipher);
mutex_unlock(&crypt_stat->cs_tfm_mutex);
goto out;
goto out_unlock;
}
crypto_blkcipher_set_flags(crypt_stat->tfm, CRYPTO_TFM_REQ_WEAK_KEY);
mutex_unlock(&crypt_stat->cs_tfm_mutex);
rc = 0;
out_unlock:
mutex_unlock(&crypt_stat->cs_tfm_mutex);
out:
return rc;
}

1
fs/ecryptfs/messaging.c
View File

@ -427,6 +427,7 @@ int ecryptfs_init_messaging(unsigned int transport)
if (!ecryptfs_daemon_id_hash) {
rc = -ENOMEM;
ecryptfs_printk(KERN_ERR, "Failed to allocate memory\n");
mutex_unlock(&ecryptfs_daemon_id_hash_mux);
goto out;
}
for (i = 0; i < ecryptfs_hash_buckets; i++)