From d6c5faf2cc345f9eb5037795770d15418450f08b Mon Sep 17 00:00:00 2001
From: kris <kris@FreeBSD.org>
Date: Thu, 24 Apr 2008 22:08:36 +0000
Subject: [PATCH] fdhold can return NULL, so add the one remaining missing
 check for this condition.

Reviewed by:    attilio
MFC after:      1 week
---
 sys/kern/kern_descrip.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/sys/kern/kern_descrip.c b/sys/kern/kern_descrip.c
index 791239d85818..34b7cf066b26 100644
--- a/sys/kern/kern_descrip.c
+++ b/sys/kern/kern_descrip.c
@@ -2583,6 +2583,8 @@ sysctl_kern_proc_filedesc(SYSCTL_HANDLER_ARGS)
 		return (error);
 	}
 	fdp = fdhold(p);
+	if (fdp == NULL)
+		return (0);
 	PROC_UNLOCK(p);
 	kif = malloc(sizeof(*kif), M_TEMP, M_WAITOK);
 	FILEDESC_SLOCK(fdp);