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2c26eb4e48
Patches automatically rebased.
Build system: x86_64
Build-tested: bcm2711/RPi4B, mt7622/RT3200
Run-tested: bcm2711/RPi4B, mt7622/RT3200
Tested-by: John Audia <graysky@archlinux.us>
Build-tested: ath79/generic, ramips/mt76{20,21,x8}, ipq40xx, mvebu, realtek/rtl{838,930}x, x86/64
Run-tested: ramips/mt7621, mvebu
Tested-by: Stijn Segers <foss@volatilesystems.org>
Signed-off-by: Daniel Golle <daniel@makrotopia.org>
Signed-off-by: Rui Salvaterra <rsalvaterra@gmail.com>
48 lines
1.7 KiB
Diff
48 lines
1.7 KiB
Diff
From dbfae4876cd4c8525a0100f19307f16cf7fb384a Mon Sep 17 00:00:00 2001
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From: Steve Glendinning <steve.glendinning@smsc.com>
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Date: Thu, 19 Feb 2015 18:47:12 +0000
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Subject: [PATCH] smsx95xx: fix crimes against truesize
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smsc95xx is adjusting truesize when it shouldn't, and following a recent patch from Eric this is now triggering warnings.
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This patch stops smsc95xx from changing truesize.
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Signed-off-by: Steve Glendinning <steve.glendinning@smsc.com>
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---
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drivers/net/usb/smsc95xx.c | 10 ++++++++--
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1 file changed, 8 insertions(+), 2 deletions(-)
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--- a/drivers/net/usb/smsc95xx.c
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+++ b/drivers/net/usb/smsc95xx.c
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@@ -67,6 +67,10 @@ static bool turbo_mode = true;
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module_param(turbo_mode, bool, 0644);
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MODULE_PARM_DESC(turbo_mode, "Enable multiple frames per Rx transaction");
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+static bool truesize_mode = false;
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+module_param(truesize_mode, bool, 0644);
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+MODULE_PARM_DESC(truesize_mode, "Report larger truesize value");
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+
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static int __must_check __smsc95xx_read_reg(struct usbnet *dev, u32 index,
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u32 *data, int in_pm)
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{
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@@ -1839,7 +1843,8 @@ static int smsc95xx_rx_fixup(struct usbn
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if (dev->net->features & NETIF_F_RXCSUM)
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smsc95xx_rx_csum_offload(skb);
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skb_trim(skb, skb->len - 4); /* remove fcs */
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- skb->truesize = size + sizeof(struct sk_buff);
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+ if (truesize_mode)
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+ skb->truesize = size + sizeof(struct sk_buff);
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return 1;
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}
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@@ -1857,7 +1862,8 @@ static int smsc95xx_rx_fixup(struct usbn
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if (dev->net->features & NETIF_F_RXCSUM)
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smsc95xx_rx_csum_offload(ax_skb);
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skb_trim(ax_skb, ax_skb->len - 4); /* remove fcs */
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- ax_skb->truesize = size + sizeof(struct sk_buff);
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+ if (truesize_mode)
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+ ax_skb->truesize = size + sizeof(struct sk_buff);
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usbnet_skb_return(dev, ax_skb);
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}
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