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>
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>
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 @@
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 @@
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;
}