diff --git a/drivers/net/wireless/ath/ath10k/coredump.c b/drivers/net/wireless/ath/ath10k/coredump.c
index 4d28063052fec3f47c6eba3bf5c1eb752ec59525..385b84f24322d102ad79f527e06092ef0493e429 100644
--- a/drivers/net/wireless/ath/ath10k/coredump.c
+++ b/drivers/net/wireless/ath/ath10k/coredump.c
@@ -1105,9 +1105,11 @@ static struct ath10k_dump_file_data *ath10k_coredump_build(struct ath10k *ar)
 		dump_tlv = (struct ath10k_tlv_dump_data *)(buf + sofar);
 		dump_tlv->type = cpu_to_le32(ATH10K_FW_CRASH_DUMP_RAM_DATA);
 		dump_tlv->tlv_len = cpu_to_le32(crash_data->ramdump_buf_len);
-		memcpy(dump_tlv->tlv_data, crash_data->ramdump_buf,
-		       crash_data->ramdump_buf_len);
-		sofar += sizeof(*dump_tlv) + crash_data->ramdump_buf_len;
+		if (crash_data->ramdump_buf_len) {
+			memcpy(dump_tlv->tlv_data, crash_data->ramdump_buf,
+			       crash_data->ramdump_buf_len);
+			sofar += sizeof(*dump_tlv) + crash_data->ramdump_buf_len;
+		}
 	}
 
 	spin_unlock_bh(&ar->data_lock);
@@ -1154,6 +1156,9 @@ int ath10k_coredump_register(struct ath10k *ar)
 	if (test_bit(ATH10K_FW_CRASH_DUMP_RAM_DATA, &ath10k_coredump_mask)) {
 		crash_data->ramdump_buf_len = ath10k_coredump_get_ramdump_size(ar);
 
+		if (!crash_data->ramdump_buf_len)
+			return 0;
+
 		crash_data->ramdump_buf = vzalloc(crash_data->ramdump_buf_len);
 		if (!crash_data->ramdump_buf)
 			return -ENOMEM;