From: John Hodge <tpg@mutabah.net>
Date: Sun, 12 May 2013 11:06:02 +0000 (+0800)
Subject: Modules/E1000 - Fixed corruption/crash
X-Git-Tag: rel0.15~501
X-Git-Url: https://git.ucc.asn.au/?a=commitdiff_plain;h=41d3727d7ede47845cde383826fa319f0e78f11e;p=tpg%2Facess2.git

Modules/E1000 - Fixed corruption/crash
---

diff --git a/KernelLand/Modules/Network/E1000/e1000.c b/KernelLand/Modules/Network/E1000/e1000.c
index 66c1c863..fc657a1e 100644
--- a/KernelLand/Modules/Network/E1000/e1000.c
+++ b/KernelLand/Modules/Network/E1000/e1000.c
@@ -118,8 +118,11 @@ void E1000_int_ReleaseRXD(void *Arg, size_t HeadLen, size_t FootLen, const void
 {
 	tCard	**cardptr = Arg;
 	tCard	*Card = *cardptr;
-	 int	rxd = (Arg - (void*)Card->RXDescs) / sizeof(tRXDesc);
-	
+	 int	rxd = (Arg - (void*)Card->RXBackHandles) / sizeof(void*);
+
+	LOG("RXD %p %i being released", Card, rxd);
+	ASSERT(rxd >= 0 && rxd < NUM_RX_DESC);
+
 	Card->RXDescs[rxd].Status = 0;
 	Mutex_Acquire(&Card->lRXDescs);
 	if( rxd == REG32(Card, REG_RDT) ) {