From: Eric Sandeen Date: Sat, 22 Dec 2007 22:03:26 +0000 (-0800) Subject: ecryptfs: fix unlocking in error paths X-Git-Tag: v3.12-rc1~24326 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=c8161f64ccdcc3ac05c7bbfebc031e7ad5ca6412;p=kernel%2Fkernel-generic.git 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 Cc: Josef Bacik Cc: Michael Halcrow Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- diff --git a/fs/ecryptfs/crypto.c b/fs/ecryptfs/crypto.c index 67e8b16..f8ef0af 100644 --- a/fs/ecryptfs/crypto.c +++ b/fs/ecryptfs/crypto.c @@ -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; } diff --git a/fs/ecryptfs/messaging.c b/fs/ecryptfs/messaging.c index a96d341..9cc2aec 100644 --- a/fs/ecryptfs/messaging.c +++ b/fs/ecryptfs/messaging.c @@ -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++)