port generic and ixp4xx kernel patches to 2.6.27 (compiles except for iptables, but otherwise completely untested)

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@12790 3c298f89-4303-0410-b956-a3cf2f4a3e73

1 files changed, 42 insertions, 0 deletions

diff --git a/target/linux/generic-2.6/patches-2.6.27/219-kobject_uevent.patch b/target/linux/generic-2.6/patches-2.6.27/219-kobject_uevent.patch
new file mode 100644
index 0000000000..93ed1d035c
--- /dev/null
+++ b/target/linux/generic-2.6/patches-2.6.27/219-kobject_uevent.patch
@@ -0,0 +1,42 @@
+--- a/lib/kobject_uevent.c
++++ b/lib/kobject_uevent.c
+@@ -29,7 +29,8 @@
+ char uevent_helper[UEVENT_HELPER_PATH_LEN] = CONFIG_UEVENT_HELPER_PATH;
+ static DEFINE_SPINLOCK(sequence_lock);
+ #if defined(CONFIG_NET)
+-static struct sock *uevent_sock;
++struct sock *uevent_sock = NULL;
++EXPORT_SYMBOL_GPL(uevent_sock);
+ #endif
+ 
+ /* the strings here must match the enum in include/linux/kobject.h */
+@@ -42,6 +43,18 @@
+ 	[KOBJ_OFFLINE] =	"offline",
+ };
+ 
++u64 uevent_next_seqnum(void)
++{
++	u64 seq;
++
++	spin_lock(&sequence_lock);
++	seq = ++uevent_seqnum;
++	spin_unlock(&sequence_lock);
++
++	return seq;
++}
++EXPORT_SYMBOL_GPL(uevent_next_seqnum);
++
+ /**
+  * kobject_action_type - translate action string to numeric type
+  *
+@@ -194,9 +207,7 @@
+ 		kobj->state_remove_uevent_sent = 1;
+ 
+ 	/* we will send an event, so request a new sequence number */
+-	spin_lock(&sequence_lock);
+-	seq = ++uevent_seqnum;
+-	spin_unlock(&sequence_lock);
++	seq = uevent_next_seqnum();
+ 	retval = add_uevent_var(env, "SEQNUM=%llu", (unsigned long long)seq);
+ 	if (retval)
+ 		goto exit;