X-Git-Url: http://git.rot13.org/?a=blobdiff_plain;f=crypto%2Fablkcipher.c;h=2731acb86e7d53755bbfd3d7cdc98926844ca887;hb=0594fe069df5a10686a3b923b36a0e7a6aed2393;hp=9348ddd84a56f8ff6f2b4032767c7668cf23feaa;hpb=9b6a51746ffe8d619f1097675d2dc5e303470024;p=powerpc.git

diff --git a/crypto/ablkcipher.c b/crypto/ablkcipher.c
index 9348ddd84a..2731acb86e 100644
--- a/crypto/ablkcipher.c
+++ b/crypto/ablkcipher.c
@@ -16,19 +16,47 @@
 #include <crypto/algapi.h>
 #include <linux/errno.h>
 #include <linux/init.h>
+#include <linux/kernel.h>
 #include <linux/module.h>
+#include <linux/slab.h>
 #include <linux/seq_file.h>
 
+static int setkey_unaligned(struct crypto_ablkcipher *tfm, const u8 *key,
+			    unsigned int keylen)
+{
+	struct ablkcipher_alg *cipher = crypto_ablkcipher_alg(tfm);
+	unsigned long alignmask = crypto_ablkcipher_alignmask(tfm);
+	int ret;
+	u8 *buffer, *alignbuffer;
+	unsigned long absize;
+
+	absize = keylen + alignmask;
+	buffer = kmalloc(absize, GFP_ATOMIC);
+	if (!buffer)
+		return -ENOMEM;
+
+	alignbuffer = (u8 *)ALIGN((unsigned long)buffer, alignmask + 1);
+	memcpy(alignbuffer, key, keylen);
+	ret = cipher->setkey(tfm, alignbuffer, keylen);
+	memset(alignbuffer, 0, keylen);
+	kfree(buffer);
+	return ret;
+}
+
 static int setkey(struct crypto_ablkcipher *tfm, const u8 *key,
 		  unsigned int keylen)
 {
 	struct ablkcipher_alg *cipher = crypto_ablkcipher_alg(tfm);
+	unsigned long alignmask = crypto_ablkcipher_alignmask(tfm);
 
 	if (keylen < cipher->min_keysize || keylen > cipher->max_keysize) {
 		crypto_ablkcipher_set_flags(tfm, CRYPTO_TFM_RES_BAD_KEY_LEN);
 		return -EINVAL;
 	}
 
+	if ((unsigned long)key & alignmask)
+		return setkey_unaligned(tfm, key, keylen);
+
 	return cipher->setkey(tfm, key, keylen);
 }
 
@@ -66,8 +94,6 @@ static void crypto_ablkcipher_show(struct seq_file *m, struct crypto_alg *alg)
 	seq_printf(m, "min keysize  : %u\n", ablkcipher->min_keysize);
 	seq_printf(m, "max keysize  : %u\n", ablkcipher->max_keysize);
 	seq_printf(m, "ivsize       : %u\n", ablkcipher->ivsize);
-	seq_printf(m, "qlen         : %u\n", ablkcipher->queue->qlen);
-	seq_printf(m, "max qlen     : %u\n", ablkcipher->queue->max_qlen);
 }
 
 const struct crypto_type crypto_ablkcipher_type = {