+static int setkey_unaligned(struct crypto_tfm *tfm, const u8 *key,
+ unsigned int keylen)
+{
+ struct cipher_alg *cia = &tfm->__crt_alg->cra_cipher;
+ unsigned long alignmask = crypto_tfm_alg_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 = cia->cia_setkey(tfm, alignbuffer, keylen);
+ memset(alignbuffer, 0, keylen);
+ kfree(buffer);
+ return ret;
+
+}
+