diff options
Diffstat (limited to 'lib/kobject_uevent.c')
-rw-r--r-- | lib/kobject_uevent.c | 26 |
1 files changed, 12 insertions, 14 deletions
diff --git a/lib/kobject_uevent.c b/lib/kobject_uevent.c index 82fc1794b69..12e311dc664 100644 --- a/lib/kobject_uevent.c +++ b/lib/kobject_uevent.c @@ -42,10 +42,6 @@ static char *action_to_string(enum kobject_action action) return "remove"; case KOBJ_CHANGE: return "change"; - case KOBJ_MOUNT: - return "mount"; - case KOBJ_UMOUNT: - return "umount"; case KOBJ_OFFLINE: return "offline"; case KOBJ_ONLINE: @@ -95,10 +91,8 @@ int kobject_uevent_env(struct kobject *kobj, enum kobject_action action, /* search the kset we belong to */ top_kobj = kobj; - if (!top_kobj->kset && top_kobj->parent) { - do { - top_kobj = top_kobj->parent; - } while (!top_kobj->kset && top_kobj->parent); + while (!top_kobj->kset && top_kobj->parent) { + top_kobj = top_kobj->parent; } if (!top_kobj->kset) { pr_debug("kobject attempted to send uevent without kset!\n"); @@ -115,6 +109,16 @@ int kobject_uevent_env(struct kobject *kobj, enum kobject_action action, return 0; } + /* originating subsystem */ + if (uevent_ops && uevent_ops->name) + subsystem = uevent_ops->name(kset, kobj); + else + subsystem = kobject_name(&kset->kobj); + if (!subsystem) { + pr_debug("unset subsytem caused the event to drop!\n"); + return 0; + } + /* environment index */ envp = kzalloc(NUM_ENVP * sizeof (char *), GFP_KERNEL); if (!envp) @@ -134,12 +138,6 @@ int kobject_uevent_env(struct kobject *kobj, enum kobject_action action, goto exit; } - /* originating subsystem */ - if (uevent_ops && uevent_ops->name) - subsystem = uevent_ops->name(kset, kobj); - else - subsystem = kobject_name(&kset->kobj); - /* event environemnt for helper process only */ envp[i++] = "HOME=/"; envp[i++] = "PATH=/sbin:/bin:/usr/sbin:/usr/bin"; |