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authorWang Chen <wangchen@cn.fujitsu.com>2008-06-24 16:59:02 +0800
committerGreg Kroah-Hartman <gregkh@suse.de>2008-07-21 21:55:00 -0700
commit0ad1d6f37cc3bb234c6e7ae30e40d1d40b9aa258 (patch)
tree148158aab527eafbc2f4fc841cf40e1a7730814b /lib
parent83c79b55f0d929a0dcf2b0d347cd1875afc06f21 (diff)
downloadlinux-0ad1d6f37cc3bb234c6e7ae30e40d1d40b9aa258.tar.gz
kobject: Transmit return value of call_usermodehelper() to caller
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	5f123fbd80f4f788554636f02bf73e40f914e0d6
"[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>

Diffstat (limited to 'lib')
-rw-r--r--lib/kobject_uevent.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/lib/kobject_uevent.c b/lib/kobject_uevent.c
index 2fa545a63160..9f8d599459d1 100644
--- a/lib/kobject_uevent.c
+++ b/lib/kobject_uevent.c
@@ -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: