diff --git a/drivers/crypto/nx/nx-aes-gcm.c b/drivers/crypto/nx/nx-aes-gcm.c
index df90d03afc104f0e95311e6afe37982395af4403..74feee10f943aa0acd87b6b9fb15c194e6f4787f 100644
--- a/drivers/crypto/nx/nx-aes-gcm.c
+++ b/drivers/crypto/nx/nx-aes-gcm.c
@@ -246,11 +246,11 @@ static int gcm_aes_nx_crypt(struct aead_request *req, int enc)
 				 req->dst, nbytes,
 				 crypto_aead_authsize(crypto_aead_reqtfm(req)),
 				 SCATTERWALK_TO_SG);
-	} else if (req->assoclen) {
+	} else {
 		u8 *itag = nx_ctx->priv.gcm.iauth_tag;
 		u8 *otag = csbcpb->cpb.aes_gcm.out_pat_or_mac;
 
-		scatterwalk_map_and_copy(itag, req->dst, nbytes,
+		scatterwalk_map_and_copy(itag, req->src, nbytes,
 				 crypto_aead_authsize(crypto_aead_reqtfm(req)),
 				 SCATTERWALK_FROM_SG);
 		rc = memcmp(itag, otag,