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Diffstat (limited to 'arch/arm/crypto/aesbs-glue.c')
-rw-r--r--arch/arm/crypto/aesbs-glue.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/arm/crypto/aesbs-glue.c b/arch/arm/crypto/aesbs-glue.c
index 5d934a0039d7..cb2486a526e6 100644
--- a/arch/arm/crypto/aesbs-glue.c
+++ b/arch/arm/crypto/aesbs-glue.c
@@ -265,6 +265,8 @@ static int aesbs_xts_encrypt(struct blkcipher_desc *desc,
blkcipher_walk_init(&walk, dst, src, nbytes);
err = blkcipher_walk_virt_block(desc, &walk, 8 * AES_BLOCK_SIZE);
+ if (err)
+ return err;
/* generate the initial tweak */
AES_encrypt(walk.iv, walk.iv, &ctx->twkey);
@@ -289,6 +291,8 @@ static int aesbs_xts_decrypt(struct blkcipher_desc *desc,
blkcipher_walk_init(&walk, dst, src, nbytes);
err = blkcipher_walk_virt_block(desc, &walk, 8 * AES_BLOCK_SIZE);
+ if (err)
+ return err;
/* generate the initial tweak */
AES_encrypt(walk.iv, walk.iv, &ctx->twkey);