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kobject: Transmit return value of call_usermodehelper() to caller

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kobject_uevent_env() drops the return value of call_usermodehelper().
It will make upper caller, such as dm_send_uevents(), to lose error
information.

BTW, Previously kobject_uevent_env() transmitted return of
call_usermodehelper() to callers, but
commit	5f123fbd80
"[PATCH] merge kobject_uevent and kobject_hotplug" removed it.

Signed-off-by: Wang Chen <wangchen@cn.fujitsu.com>
Cc: Kay Sievers <kay.sievers@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Wang Chen 2008-06-24 16:59:02 +08:00 committed by Greg Kroah-Hartman
parent 83c79b55f0
commit 0ad1d6f37c
1 changed files with 2 additions and 1 deletions
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3
lib/kobject_uevent.c
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@ -245,7 +245,8 @@ int kobject_uevent_env(struct kobject *kobj, enum kobject_action action,
if (retval)
goto exit;
call_usermodehelper(argv[0], argv, env->envp, UMH_WAIT_EXEC);
retval = call_usermodehelper(argv[0], argv,
env->envp, UMH_WAIT_EXEC);
}
exit: