X-Git-Url: http://git.rot13.org/?a=blobdiff_plain;f=crypto%2Fblkcipher.c;h=b5befe8c3a96ee1a4c73b708823b76a2f9bb06bc;hb=83aa0938ff59e8ef6d0b99260063ebe84fc84a16;hp=6e93004f2181ccb3f265994cf9806db528641796;hpb=5faad620264290b17e80a8b0996b039ea0d5ac73;p=powerpc.git

diff --git a/crypto/blkcipher.c b/crypto/blkcipher.c
index 6e93004f21..b5befe8c3a 100644
--- a/crypto/blkcipher.c
+++ b/crypto/blkcipher.c
@@ -16,6 +16,7 @@
 
 #include <linux/crypto.h>
 #include <linux/errno.h>
+#include <linux/hardirq.h>
 #include <linux/kernel.h>
 #include <linux/module.h>
 #include <linux/scatterlist.h>
@@ -313,6 +314,9 @@ static int blkcipher_walk_first(struct blkcipher_desc *desc,
 	struct crypto_blkcipher *tfm = desc->tfm;
 	unsigned int alignmask = crypto_blkcipher_alignmask(tfm);
 
+	if (WARN_ON_ONCE(in_irq()))
+		return -EDEADLK;
+
 	walk->nbytes = walk->total;
 	if (unlikely(!walk->total))
 		return 0;
@@ -345,7 +349,8 @@ static int setkey(struct crypto_tfm *tfm, const u8 *key,
 	return cipher->setkey(tfm, key, keylen);
 }
 
-static unsigned int crypto_blkcipher_ctxsize(struct crypto_alg *alg)
+static unsigned int crypto_blkcipher_ctxsize(struct crypto_alg *alg, u32 type,
+					     u32 mask)
 {
 	struct blkcipher_alg *cipher = &alg->cra_blkcipher;
 	unsigned int len = alg->cra_ctxsize;
@@ -358,7 +363,7 @@ static unsigned int crypto_blkcipher_ctxsize(struct crypto_alg *alg)
 	return len;
 }
 
-static int crypto_init_blkcipher_ops(struct crypto_tfm *tfm)
+static int crypto_init_blkcipher_ops(struct crypto_tfm *tfm, u32 type, u32 mask)
 {
 	struct blkcipher_tfm *crt = &tfm->crt_blkcipher;
 	struct blkcipher_alg *alg = &tfm->__crt_alg->cra_blkcipher;