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Diffstat (limited to 'arch/x86/crypto/aesni-intel_glue.c')
-rw-r--r--arch/x86/crypto/aesni-intel_glue.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/x86/crypto/aesni-intel_glue.c b/arch/x86/crypto/aesni-intel_glue.c
index 2144e54a6c89..388643ca2177 100644
--- a/arch/x86/crypto/aesni-intel_glue.c
+++ b/arch/x86/crypto/aesni-intel_glue.c
@@ -849,6 +849,8 @@ static int xts_crypt(struct skcipher_request *req, bool encrypt)
return -EINVAL;
err = skcipher_walk_virt(&walk, req, false);
+ if (err)
+ return err;
if (unlikely(tail > 0 && walk.nbytes < walk.total)) {
int blocks = DIV_ROUND_UP(req->cryptlen, AES_BLOCK_SIZE) - 2;
@@ -862,7 +864,10 @@ static int xts_crypt(struct skcipher_request *req, bool encrypt)
skcipher_request_set_crypt(&subreq, req->src, req->dst,
blocks * AES_BLOCK_SIZE, req->iv);
req = &subreq;
+
err = skcipher_walk_virt(&walk, req, false);
+ if (err)
+ return err;
} else {
tail = 0;
}