mirror of
				https://github.com/Ysurac/openmptcprouter.git
				synced 2025-03-09 15:40:20 +00:00 
			
		
		
		
	
		
			
				
	
	
		
			52 lines
		
	
	
	
		
			1.9 KiB
		
	
	
	
		
			Diff
		
	
	
	
	
	
			
		
		
	
	
			52 lines
		
	
	
	
		
			1.9 KiB
		
	
	
	
		
			Diff
		
	
	
	
	
	
From 51d450f09cfcfa8b9ff6b0401fbbdb5c0883fb6f 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 002/277] 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(-)
 | 
						|
 | 
						|
diff --git a/drivers/net/usb/smsc95xx.c b/drivers/net/usb/smsc95xx.c
 | 
						|
index 309b88acd3d0..25e37195ceb0 100644
 | 
						|
--- 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)
 | 
						|
 {
 | 
						|
@@ -1959,7 +1963,8 @@ static int smsc95xx_rx_fixup(struct usbnet *dev, struct sk_buff *skb)
 | 
						|
 				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;
 | 
						|
 			}
 | 
						|
@@ -1977,7 +1982,8 @@ static int smsc95xx_rx_fixup(struct usbnet *dev, struct sk_buff *skb)
 | 
						|
 			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);
 | 
						|
 		}
 | 
						|
-- 
 | 
						|
2.16.1
 | 
						|
 |