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Diffstat (limited to 'target/linux/bcm27xx/patches-4.19/950-0413-lan78xx-use-default-alignment-for-rx-buffers.patch')
-rw-r--r--target/linux/bcm27xx/patches-4.19/950-0413-lan78xx-use-default-alignment-for-rx-buffers.patch23
1 files changed, 23 insertions, 0 deletions
diff --git a/target/linux/bcm27xx/patches-4.19/950-0413-lan78xx-use-default-alignment-for-rx-buffers.patch b/target/linux/bcm27xx/patches-4.19/950-0413-lan78xx-use-default-alignment-for-rx-buffers.patch
new file mode 100644
index 0000000000..6b93888db9
--- /dev/null
+++ b/target/linux/bcm27xx/patches-4.19/950-0413-lan78xx-use-default-alignment-for-rx-buffers.patch
@@ -0,0 +1,23 @@
+From fdbe849f960ee92befd781cff14d9b76142b0981 Mon Sep 17 00:00:00 2001
+From: P33M <p33m@github.com>
+Date: Thu, 2 May 2019 11:53:45 +0100
+Subject: [PATCH] lan78xx: use default alignment for rx buffers
+
+The lan78xx uses a 12-byte hardware rx header, so there is no need
+to allocate SKBs with NET_IP_ALIGN set. Removes alignment faults
+in both dwc_otg and in ipv6 processing.
+---
+ drivers/net/usb/lan78xx.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+--- a/drivers/net/usb/lan78xx.c
++++ b/drivers/net/usb/lan78xx.c
+@@ -3257,7 +3257,7 @@ static int rx_submit(struct lan78xx_net
+ size_t size = dev->rx_urb_size;
+ int ret = 0;
+
+- skb = netdev_alloc_skb_ip_align(dev->net, size);
++ skb = netdev_alloc_skb(dev->net, size);
+ if (!skb) {
+ usb_free_urb(urb);
+ return -ENOMEM;