[PATCH 6/6] call_usermodehelper: UMH_WAIT_EXEC ignoreskernel_thread() failure

[Oleg Nesterov]

UMH_WAIT_EXEC should report the error if kernel_thread() fails, like
UMH_WAIT_PROC does.

Signed-off-by: Oleg Nesterov <oleg@xxxxxxxxxx>
---

 kernel/kmod.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

--- 34-rc1/kernel/kmod.c~6_UMH_WAIT_EXEC	2010-03-15 20:32:23.000000000 +0100
+++ 34-rc1/kernel/kmod.c	2010-03-15 20:37:07.000000000 +0100
@@ -235,10 +235,10 @@ static void __call_usermodehelper(struct
 	case UMH_WAIT_PROC:
 		if (pid > 0)
 			break;
-		sub_info->retval = pid;
 		/* FALLTHROUGH */
-
 	case UMH_WAIT_EXEC:
+		if (pid < 0)
+			sub_info->retval = pid;
 		complete(sub_info->complete);
 	}
 }

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