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Diffstat (limited to 'target/linux/brcm2708/patches-4.9/950-0001-smsx95xx-fix-crimes-against-truesize.patch')
-rw-r--r--target/linux/brcm2708/patches-4.9/950-0001-smsx95xx-fix-crimes-against-truesize.patch47
1 files changed, 47 insertions, 0 deletions
diff --git a/target/linux/brcm2708/patches-4.9/950-0001-smsx95xx-fix-crimes-against-truesize.patch b/target/linux/brcm2708/patches-4.9/950-0001-smsx95xx-fix-crimes-against-truesize.patch
new file mode 100644
index 0000000..a5737e3
--- /dev/null
+++ b/target/linux/brcm2708/patches-4.9/950-0001-smsx95xx-fix-crimes-against-truesize.patch
@@ -0,0 +1,47 @@
+From c01a3230d8cdd396dcec2619646f6cf2753481d8 Mon Sep 17 00:00:00 2001
+From: Steve Glendinning <steve.glendinning@smsc.com>
+Date: Thu, 19 Feb 2015 18:47:12 +0000
+Subject: [PATCH] smsx95xx: fix crimes against truesize
+
+smsc95xx is adjusting truesize when it shouldn't, and following a recent patch from Eric this is now triggering warnings.
+
+This patch stops smsc95xx from changing truesize.
+
+Signed-off-by: Steve Glendinning <steve.glendinning@smsc.com>
+---
+ drivers/net/usb/smsc95xx.c | 10 ++++++++--
+ 1 file changed, 8 insertions(+), 2 deletions(-)
+
+--- a/drivers/net/usb/smsc95xx.c
++++ b/drivers/net/usb/smsc95xx.c
+@@ -82,6 +82,10 @@ static bool turbo_mode = true;
+ module_param(turbo_mode, bool, 0644);
+ MODULE_PARM_DESC(turbo_mode, "Enable multiple frames per Rx transaction");
+
++static bool truesize_mode = false;
++module_param(truesize_mode, bool, 0644);
++MODULE_PARM_DESC(truesize_mode, "Report larger truesize value");
++
+ static int __must_check __smsc95xx_read_reg(struct usbnet *dev, u32 index,
+ u32 *data, int in_pm)
+ {
+@@ -1951,7 +1955,8 @@ static int smsc95xx_rx_fixup(struct usbn
+ if (dev->net->features & NETIF_F_RXCSUM)
+ smsc95xx_rx_csum_offload(skb);
+ skb_trim(skb, skb->len - 4); /* remove fcs */
+- skb->truesize = size + sizeof(struct sk_buff);
++ if (truesize_mode)
++ skb->truesize = size + sizeof(struct sk_buff);
+
+ return 1;
+ }
+@@ -1969,7 +1974,8 @@ static int smsc95xx_rx_fixup(struct usbn
+ if (dev->net->features & NETIF_F_RXCSUM)
+ smsc95xx_rx_csum_offload(ax_skb);
+ skb_trim(ax_skb, ax_skb->len - 4); /* remove fcs */
+- ax_skb->truesize = size + sizeof(struct sk_buff);
++ if (truesize_mode)
++ ax_skb->truesize = size + sizeof(struct sk_buff);
+
+ usbnet_skb_return(dev, ax_skb);
+ }