From 50a212ec906f7524620675f0c57357691c26c81f Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Wed, 16 Oct 2024 01:20:19 +0000
Subject: [PATCH] 修改GPIO导出默认初始值
---
kernel/drivers/net/ethernet/natsemi/sonic.c | 4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/kernel/drivers/net/ethernet/natsemi/sonic.c b/kernel/drivers/net/ethernet/natsemi/sonic.c
index d17d1b4..825356e 100644
--- a/kernel/drivers/net/ethernet/natsemi/sonic.c
+++ b/kernel/drivers/net/ethernet/natsemi/sonic.c
@@ -292,7 +292,7 @@
*/
laddr = dma_map_single(lp->device, skb->data, length, DMA_TO_DEVICE);
- if (!laddr) {
+ if (dma_mapping_error(lp->device, laddr)) {
pr_err_ratelimited("%s: failed to map tx DMA buffer.\n", dev->name);
dev_kfree_skb_any(skb);
return NETDEV_TX_OK;
@@ -509,7 +509,7 @@
*new_addr = dma_map_single(lp->device, skb_put(*new_skb, SONIC_RBSIZE),
SONIC_RBSIZE, DMA_FROM_DEVICE);
- if (!*new_addr) {
+ if (dma_mapping_error(lp->device, *new_addr)) {
dev_kfree_skb(*new_skb);
*new_skb = NULL;
return false;
--
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