From da0ccee1109478635726bb37fba5c01985ad2574 Mon Sep 17 00:00:00 2001
From: Tobias Powalowski <tpowa@archlinux.org>
Date: Tue, 12 Jun 2012 15:50:17 +0000
Subject: [PATCH] fix potential nfs4 issue

---
 3.4.2-rpc_pipefs.patch | 34 ++++++++++++++++++++++++++++++++++
 PKGBUILD               | 10 +++++++---
 linux.install          |  2 +-
 3 files changed, 42 insertions(+), 4 deletions(-)
 create mode 100644 3.4.2-rpc_pipefs.patch

diff --git a/3.4.2-rpc_pipefs.patch b/3.4.2-rpc_pipefs.patch
new file mode 100644
index 0000000..8c8faf5
--- /dev/null
+++ b/3.4.2-rpc_pipefs.patch
@@ -0,0 +1,34 @@
+diff --git a/net/sunrpc/rpc_pipe.c b/net/sunrpc/rpc_pipe.c
+index 0404047..21fde99 100644
+--- a/net/sunrpc/rpc_pipe.c
++++ b/net/sunrpc/rpc_pipe.c
+@@ -71,7 +71,9 @@ static void rpc_purge_list(wait_queue_head_t *waitq, struct list_head *head,
+ 		msg->errno = err;
+ 		destroy_msg(msg);
+ 	} while (!list_empty(head));
+-	wake_up(waitq);
++
++	if (waitq)
++		wake_up(waitq);
+ }
+ 
+ static void
+@@ -91,11 +93,9 @@ rpc_timeout_upcall_queue(struct work_struct *work)
+ 	}
+ 	dentry = dget(pipe->dentry);
+ 	spin_unlock(&pipe->lock);
+-	if (dentry) {
+-		rpc_purge_list(&RPC_I(dentry->d_inode)->waitq,
+-			       &free_list, destroy_msg, -ETIMEDOUT);
+-		dput(dentry);
+-	}
++	rpc_purge_list(dentry ? &RPC_I(dentry->d_inode)->waitq : NULL,
++			&free_list, destroy_msg, -ETIMEDOUT);
++	dput(dentry);
+ }
+ 
+ ssize_t rpc_pipe_generic_upcall(struct file *filp, struct rpc_pipe_msg *msg,
+-- 
+1.7.7.6
+
+  
\ No newline at end of file
diff --git a/PKGBUILD b/PKGBUILD
index b0b6c4e..391744e 100644
--- a/PKGBUILD
+++ b/PKGBUILD
@@ -8,7 +8,7 @@ pkgname=('linux' 'linux-headers' 'linux-docs') # Build stock -ARCH kernel
 _kernelname=${pkgname#linux}
 _basekernel=3.4
 pkgver=${_basekernel}.2
-pkgrel=1
+pkgrel=2
 arch=('i686' 'x86_64')
 url="http://www.kernel.org/"
 license=('GPL2')
@@ -22,7 +22,8 @@ source=("http://www.kernel.org/pub/linux/kernel/v3.x/linux-3.4.tar.xz"
         "${pkgname}.preset"
         'fix-acerhdf-1810T-bios.patch'
         'change-default-console-loglevel.patch'
-        'i915-fix-ghost-tv-output.patch')
+        'i915-fix-ghost-tv-output.patch'
+        '3.4.2-rpc_pipefs.patch')
 md5sums=('967f72983655e2479f951195953e8480'
          'ac52d3d82c20c7e80740fc5fb00b6ed4'
          '3f2c307c8ffae67f60c13ef69af8364a'
@@ -30,7 +31,8 @@ md5sums=('967f72983655e2479f951195953e8480'
          'eb14dcfd80c00852ef81ded6e826826a'
          '38c1fd4a1f303f1f6c38e7f082727e2f'
          '9d3c56a4b999c8bfbd4018089a62f662'
-         '263725f20c0b9eb9c353040792d644e5')
+         '263725f20c0b9eb9c353040792d644e5'
+         '18b3877f9014c8cdd5eb8f6a9e8a3a3a')
 
 build() {
   cd "${srcdir}/linux-${_basekernel}"
@@ -38,6 +40,8 @@ build() {
   # add upstream patch
   patch -p1 -i "${srcdir}/patch-${pkgver}"
 
+  # fix nfs4 regression
+  patch -Np1 -i "${srcdir}/3.4.2-rpc_pipefs.patch"
   # add latest fixes from stable queue, if needed
   # http://git.kernel.org/?p=linux/kernel/git/stable/stable-queue.git
 
diff --git a/linux.install b/linux.install
index 8866069..ba91d5a 100644
--- a/linux.install
+++ b/linux.install
@@ -2,7 +2,7 @@
 # arg 2:  the old package version
 
 KERNEL_NAME=
-KERNEL_VERSION=3.4.2-1-ARCH
+KERNEL_VERSION=3.4.2-2-ARCH
 
 post_install () {
   # updating module dependencies