From 5e0cf482406f79b4b90e09e199fd0d4e2423cf8c Mon Sep 17 00:00:00 2001
From: Dan Ziemba <zman0900@gmail.com>
Date: Fri, 11 Sep 2015 16:42:57 -0400
Subject: [PATCH] 4.2-4

---
 .SRCINFO                         |  4 +++-
 0001-fix-bridge-regression.patch | 25 +++++++++++++++++++++++++
 PKGBUILD                         |  8 +++++++-
 linux.install                    |  4 ++--
 4 files changed, 37 insertions(+), 4 deletions(-)
 create mode 100644 0001-fix-bridge-regression.patch

diff --git a/.SRCINFO b/.SRCINFO
index 8ae7844..0800b30 100644
--- a/.SRCINFO
+++ b/.SRCINFO
@@ -1,6 +1,6 @@
 pkgbase = linux-vfio
 	pkgver = 4.2
-	pkgrel = 3
+	pkgrel = 4
 	url = http://www.kernel.org/
 	arch = i686
 	arch = x86_64
@@ -20,6 +20,7 @@ pkgbase = linux-vfio
 	source = 0001-make_flush_workqueue_non_gpl.patch
 	source = 0001-e1000e-Fix-tight-loop-implementation-of-systime-read.patch
 	source = 0001-netfilter-conntrack-use-nf_ct_tmpl_free-in-CT-synpro.patch
+	source = 0001-fix-bridge-regression.patch
 	source = override_for_missing_acs_capabilities.patch
 	source = i915_317.patch
 	sha256sums = cf20e044f17588d2a42c8f2a450b0fd84dfdbd579b489d93e9ab7d0e8b45dbeb
@@ -31,6 +32,7 @@ pkgbase = linux-vfio
 	sha256sums = 4e776734e2c2185910a6fbb6f333d967b04f4a72b3196310af286c6a779bd97d
 	sha256sums = 0b1e41ba59ae45f5929963aa22fdc53bc8ffb4534e976cec046269d1a462197b
 	sha256sums = 6ed9e31ae5614c289c4884620e45698e764c03670ebc45bab9319d741238cbd3
+	sha256sums = 0a8fe4434e930d393c7983e335842f6cb77ee263af5592a0ca7e14bae7296183
 	sha256sums = 975f79348119bfba8dd972a9fbfe6b38484c45bfd228f2f6d48a0c02426ba149
 	sha256sums = 65faab45248008810b0a5f27162101a34dfe298c14d3506e52236c680353d7f8
 
diff --git a/0001-fix-bridge-regression.patch b/0001-fix-bridge-regression.patch
new file mode 100644
index 0000000..250dfcb
--- /dev/null
+++ b/0001-fix-bridge-regression.patch
@@ -0,0 +1,25 @@
+@@ -, +, @@ 
+---
+ net/bridge/br_multicast.c |    4 ++--
+ 1 file changed, 2 insertions(+), 2 deletions(-)
+--- a/net/bridge/br_multicast.c	
++++ a/net/bridge/br_multicast.c	
+@@ -991,7 +991,7 @@ static int br_ip4_multicast_igmp3_report(struct net_bridge *br,
+ 
+ 	ih = igmpv3_report_hdr(skb);
+ 	num = ntohs(ih->ngrec);
+-	len = sizeof(*ih);
++	len = skb_transport_offset(skb) + sizeof(*ih);
+ 
+ 	for (i = 0; i < num; i++) {
+ 		len += sizeof(*grec);
+@@ -1052,7 +1052,7 @@ static int br_ip6_multicast_mld2_report(struct net_bridge *br,
+ 
+ 	icmp6h = icmp6_hdr(skb);
+ 	num = ntohs(icmp6h->icmp6_dataun.un_data16[1]);
+-	len = sizeof(*icmp6h);
++	len = skb_transport_offset(skb) + sizeof(*icmp6h);
+ 
+ 	for (i = 0; i < num; i++) {
+ 		__be16 *nsrcs, _nsrcs;
+-- 
diff --git a/PKGBUILD b/PKGBUILD
index c90577c..584a7d5 100644
--- a/PKGBUILD
+++ b/PKGBUILD
@@ -3,7 +3,7 @@
 pkgbase=linux-vfio
 _srcname=linux-4.2
 pkgver=4.2
-pkgrel=3
+pkgrel=4
 arch=('i686' 'x86_64')
 url="http://www.kernel.org/"
 license=('GPL2')
@@ -21,6 +21,7 @@ source=("https://www.kernel.org/pub/linux/kernel/v4.x/${_srcname}.tar.xz"
         '0001-make_flush_workqueue_non_gpl.patch'
         '0001-e1000e-Fix-tight-loop-implementation-of-systime-read.patch'
         '0001-netfilter-conntrack-use-nf_ct_tmpl_free-in-CT-synpro.patch'
+        '0001-fix-bridge-regression.patch'
         'override_for_missing_acs_capabilities.patch'
         'i915_317.patch'
         )
@@ -33,6 +34,7 @@ sha256sums=('cf20e044f17588d2a42c8f2a450b0fd84dfdbd579b489d93e9ab7d0e8b45dbeb'
             '4e776734e2c2185910a6fbb6f333d967b04f4a72b3196310af286c6a779bd97d'
             '0b1e41ba59ae45f5929963aa22fdc53bc8ffb4534e976cec046269d1a462197b'
             '6ed9e31ae5614c289c4884620e45698e764c03670ebc45bab9319d741238cbd3'
+            '0a8fe4434e930d393c7983e335842f6cb77ee263af5592a0ca7e14bae7296183'
             '975f79348119bfba8dd972a9fbfe6b38484c45bfd228f2f6d48a0c02426ba149'
             '65faab45248008810b0a5f27162101a34dfe298c14d3506e52236c680353d7f8')
 validpgpkeys=(
@@ -64,6 +66,10 @@ prepare() {
   # many instances of this error: nf_conntrack: table full, dropping packet
   patch -p1 -i "${srcdir}/0001-netfilter-conntrack-use-nf_ct_tmpl_free-in-CT-synpro.patch"
 
+  # add not-yes-mainlined patch to fix bridge code
+  # https://bugzilla.kernel.org/show_bug.cgi?id=104161
+  patch -Np1 -i "${srcdir}/0001-fix-bridge-regression.patch"
+  
   # set DEFAULT_CONSOLE_LOGLEVEL to 4 (same value as the 'quiet' kernel param)
   # remove this when a Kconfig knob is made available by upstream
   # (relevant patch sent upstream: https://lkml.org/lkml/2011/7/26/227)
diff --git a/linux.install b/linux.install
index ef42413..dd2fa5c 100644
--- a/linux.install
+++ b/linux.install
@@ -8,7 +8,7 @@ post_install () {
   # updating module dependencies
   echo ">>> Updating module dependencies. Please wait ..."
   depmod ${KERNEL_VERSION}
-  echo ">>> Generating initial ramdisk, using mkinitcpio.  Please wait..."
+  echo ">>> Generating initial ramdisk, using mkinitcpio. Please wait..."
   mkinitcpio -p linux${KERNEL_NAME}
 }
 
@@ -20,7 +20,7 @@ post_upgrade() {
   # updating module dependencies
   echo ">>> Updating module dependencies. Please wait ..."
   depmod ${KERNEL_VERSION}
-  echo ">>> Generating initial ramdisk, using mkinitcpio.  Please wait..."
+  echo ">>> Generating initial ramdisk, using mkinitcpio. Please wait..."
   mkinitcpio -p linux${KERNEL_NAME}
 
   if [ $(vercmp $2 3.13) -lt 0 ]; then