diff options
Diffstat (limited to 'crypto/blkcipher.c')
| -rw-r--r-- | crypto/blkcipher.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/crypto/blkcipher.c b/crypto/blkcipher.c index 6e93004f2181..cbb4c4e5c229 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; |