X-Git-Url: https://git.kernelconcepts.de/?p=karo-tx-linux.git;a=blobdiff_plain;f=drivers%2Fcrypto%2Fccp%2Fccp-crypto-sha.c;h=d14b3f28e010897990223fffc8f932fe368a033d;hp=507b34e0cc195be71879976f2215d8b64d356644;hb=1b1050cdc5cdde43177b375b5f22dc070d45d8f8;hpb=06b45f2aa703837163496f5db6a53575665cc6b4

diff --git a/drivers/crypto/ccp/ccp-crypto-sha.c b/drivers/crypto/ccp/ccp-crypto-sha.c
index 507b34e0cc19..d14b3f28e010 100644
--- a/drivers/crypto/ccp/ccp-crypto-sha.c
+++ b/drivers/crypto/ccp/ccp-crypto-sha.c
@@ -107,7 +107,15 @@ static int ccp_do_sha_update(struct ahash_request *req, unsigned int nbytes,
 
 		sg_init_one(&rctx->buf_sg, rctx->buf, rctx->buf_count);
 		sg = ccp_crypto_sg_table_add(&rctx->data_sg, &rctx->buf_sg);
+		if (!sg) {
+			ret = -EINVAL;
+			goto e_free;
+		}
 		sg = ccp_crypto_sg_table_add(&rctx->data_sg, req->src);
+		if (!sg) {
+			ret = -EINVAL;
+			goto e_free;
+		}
 		sg_mark_end(sg);
 
 		sg = rctx->data_sg.sgl;
@@ -141,6 +149,11 @@ static int ccp_do_sha_update(struct ahash_request *req, unsigned int nbytes,
 
 	ret = ccp_crypto_enqueue_request(&req->base, &rctx->cmd);
 
+	return ret;
+
+e_free:
+	sg_free_table(&rctx->data_sg);
+
 	return ret;
 }