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Diffstat (limited to 'crypto/blkcipher.c')
-rw-r--r--crypto/blkcipher.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/crypto/blkcipher.c b/crypto/blkcipher.c
index 6e93004f2181..b5befe8c3a96 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;