summaryrefslogtreecommitdiff
path: root/target/linux/generic-2.6/patches-2.6.31/219-kobject_uevent.patch
diff options
context:
space:
mode:
Diffstat (limited to 'target/linux/generic-2.6/patches-2.6.31/219-kobject_uevent.patch')
-rw-r--r--target/linux/generic-2.6/patches-2.6.31/219-kobject_uevent.patch42
1 files changed, 42 insertions, 0 deletions
diff --git a/target/linux/generic-2.6/patches-2.6.31/219-kobject_uevent.patch b/target/linux/generic-2.6/patches-2.6.31/219-kobject_uevent.patch
new file mode 100644
index 0000000..7e00b22
--- /dev/null
+++ b/target/linux/generic-2.6/patches-2.6.31/219-kobject_uevent.patch
@@ -0,0 +1,42 @@
+--- a/lib/kobject_uevent.c
++++ b/lib/kobject_uevent.c
+@@ -29,7 +29,8 @@ u64 uevent_seqnum;
+ 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 @@ static const char *kobject_actions[] = {
+ [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
+ *
+@@ -201,9 +214,7 @@ int kobject_uevent_env(struct kobject *k
+ 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;