From c74d27255be177e40ea8cbe8bbcf71e5dce9baab Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A9r=C3=B4me=20Duval?= <korli@users.berlios.de>
Date: Tue, 7 Nov 2006 00:51:33 +0000
Subject: [PATCH] avoid crashing at the end of the list

git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@19217 a95241bf-73f2-0310-859d-f6bbb57e9c96
---
 src/system/kernel/device_manager/attributes.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/system/kernel/device_manager/attributes.c b/src/system/kernel/device_manager/attributes.c
index 10e3545203..c44e00a851 100644
--- a/src/system/kernel/device_manager/attributes.c
+++ b/src/system/kernel/device_manager/attributes.c
@@ -348,11 +348,12 @@ pnp_get_next_attr(device_node_handle node, device_attr_handle *attr)
 		next = node->attributes;
 	}
 
-	++next->ref_count;
+	if (next)
+		++next->ref_count;
 	*attr = next;
 
 	benaphore_unlock(&gNodeLock);
-	return B_OK;
+	return next ? B_OK : B_ENTRY_NOT_FOUND;
 }