Re: [PATCH 2/2] kobjects: Transmit return value of kobject_uevent_env()to caller

[Wang Chen]

Cornelia Huck said the following on 2008-7-1 18:51:
> On Wed, 25 Jun 2008 17:08:37 +0800,
> Wang Chen <wangchen@xxxxxxxxxxxxxx> wrote:
> 
>> It's depended on how important sending uevent is.
>> If the sysfs operation succeeds, but user-space don't
>> get the notification. Is it ok?
> 
> Given that (a) there may be no listener, (b) sending via netlink may
> succeed but calling uevent_helper may fail (highly unlikely the way
> modern distros are set up, though), and (c) you would have to audit a
> myriad places that don't check for the return code of kobject_uevent()
> today as well, it looks like the best way is to simply add some
> pr_debug()s to kobject_uevent_env() where something fails.
> 

Fair enough. Thanks Cornelia.
Greg, please ignore this patch.
But please take a look at "[PATCH 1/2] kobjects: Transmit return value of call_usermodehelper() to caller".

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