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authorIngo Molnar <mingo@elte.hu>2009-04-06 03:41:22 +0400
committerIngo Molnar <mingo@elte.hu>2009-04-06 03:41:22 +0400
commit9efe21cb82b5dbe3b0b2ae4de4eccc64ecb94e95 (patch)
tree7ff8833745d2f268f897f6fa4a27263b4a572245 /lib/kobject_uevent.c
parentde18836e447c2dc30120c0919b8db8ddc0401cc4 (diff)
parent0221c81b1b8eb0cbb6b30a0ced52ead32d2b4e4c (diff)
downloadlinux-9efe21cb82b5dbe3b0b2ae4de4eccc64ecb94e95.tar.xz
Merge branch 'linus' into irq/threaded
Conflicts: include/linux/irq.h kernel/irq/handle.c
Diffstat (limited to 'lib/kobject_uevent.c')
-rw-r--r--lib/kobject_uevent.c12
1 files changed, 11 insertions, 1 deletions
diff --git a/lib/kobject_uevent.c b/lib/kobject_uevent.c
index 318328ddbd1c..97a777ad4f59 100644
--- a/lib/kobject_uevent.c
+++ b/lib/kobject_uevent.c
@@ -118,6 +118,13 @@ int kobject_uevent_env(struct kobject *kobj, enum kobject_action action,
kset = top_kobj->kset;
uevent_ops = kset->uevent_ops;
+ /* skip the event, if uevent_suppress is set*/
+ if (kobj->uevent_suppress) {
+ pr_debug("kobject: '%s' (%p): %s: uevent_suppress "
+ "caused the event to drop!\n",
+ kobject_name(kobj), kobj, __func__);
+ return 0;
+ }
/* skip the event, if the filter returns zero. */
if (uevent_ops && uevent_ops->filter)
if (!uevent_ops->filter(kset, kobj)) {
@@ -227,6 +234,9 @@ int kobject_uevent_env(struct kobject *kobj, enum kobject_action action,
NETLINK_CB(skb).dst_group = 1;
retval = netlink_broadcast(uevent_sock, skb, 0, 1,
GFP_KERNEL);
+ /* ENOBUFS should be handled in userspace */
+ if (retval == -ENOBUFS)
+ retval = 0;
} else
retval = -ENOMEM;
}
@@ -248,7 +258,7 @@ int kobject_uevent_env(struct kobject *kobj, enum kobject_action action,
goto exit;
retval = call_usermodehelper(argv[0], argv,
- env->envp, UMH_WAIT_EXEC);
+ env->envp, UMH_NO_WAIT);
}
exit: