diff --git a/drivers/net/stmmac/enh_desc.c b/drivers/net/stmmac/enh_desc.c
index 77ff88c3958b7c0f2f4e5bd090a1b62d9e8b1807..5d1471d8f8f69d6b355d926a8672f8ebc0e59000 100644
--- a/drivers/net/stmmac/enh_desc.c
+++ b/drivers/net/stmmac/enh_desc.c
@@ -284,7 +284,7 @@ static void enh_desc_release_tx_desc(struct dma_desc *p)
 {
 	int ter = p->des01.etx.end_ring;
 
-	memset(p, 0, sizeof(struct dma_desc));
+	memset(p, 0, offsetof(struct dma_desc, des2));
 	p->des01.etx.end_ring = ter;
 }
 
diff --git a/drivers/net/stmmac/norm_desc.c b/drivers/net/stmmac/norm_desc.c
index 51f4440ab98bddeb1521daa25ad27eb8641300fb..0dce90cb81247b68418d40a23a17a50a53fbac36 100644
--- a/drivers/net/stmmac/norm_desc.c
+++ b/drivers/net/stmmac/norm_desc.c
@@ -174,22 +174,7 @@ static void ndesc_release_tx_desc(struct dma_desc *p)
 {
 	int ter = p->des01.tx.end_ring;
 
-	/* clean field used within the xmit */
-	p->des01.tx.first_segment = 0;
-	p->des01.tx.last_segment = 0;
-	p->des01.tx.buffer1_size = 0;
-
-	/* clean status reported */
-	p->des01.tx.error_summary = 0;
-	p->des01.tx.underflow_error = 0;
-	p->des01.tx.no_carrier = 0;
-	p->des01.tx.loss_carrier = 0;
-	p->des01.tx.excessive_deferral = 0;
-	p->des01.tx.excessive_collisions = 0;
-	p->des01.tx.late_collision = 0;
-	p->des01.tx.heartbeat_fail = 0;
-	p->des01.tx.deferred = 0;
-
+	memset(p, 0, offsetof(struct dma_desc, des2));
 	/* set termination field */
 	p->des01.tx.end_ring = ter;
 }