From: Mike Halcrow <mhalcrow@us.ibm.com>

Check for weak keys.

Signed-off-by: Michael Halcrow <mhalcrow@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
---

 fs/ecryptfs/crypto.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff -puN fs/ecryptfs/crypto.c~ecryptfs-check-for-weak-keys fs/ecryptfs/crypto.c
--- a/fs/ecryptfs/crypto.c~ecryptfs-check-for-weak-keys
+++ a/fs/ecryptfs/crypto.c
@@ -754,7 +754,8 @@ int ecryptfs_init_crypt_ctx(struct ecryp
 		goto out;
 	}
 	crypt_stat->tfm = crypto_alloc_tfm(crypt_stat->cipher,
-					   ECRYPTFS_DEFAULT_CHAINING_MODE);
+					   ECRYPTFS_DEFAULT_CHAINING_MODE
+					   | CRYPTO_TFM_REQ_WEAK_KEY);
 	if (crypt_stat->tfm == NULL) {
 		ecryptfs_printk(KERN_ERR, "cryptfs: init_crypt_ctx(): Error "
 				"initializing cipher [%s]\n",
_