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Subject[PATCH] ecryptfs: fix unlocking in error paths
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>
---

Index: linux-2.6.24-rc3/fs/ecryptfs/crypto.c
===================================================================
--- linux-2.6.24-rc3.orig/fs/ecryptfs/crypto.c
+++ linux-2.6.24-rc3/fs/ecryptfs/crypto.c
@@ -799,7 +799,7 @@ int ecryptfs_init_crypt_ctx(struct ecryp
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 ecryp
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;
}
Index: linux-2.6.24-rc3/fs/ecryptfs/messaging.c
===================================================================
--- linux-2.6.24-rc3.orig/fs/ecryptfs/messaging.c
+++ linux-2.6.24-rc3/fs/ecryptfs/messaging.c
@@ -427,6 +427,7 @@ int ecryptfs_init_messaging(unsigned int
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++)


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