openwrt-xburst/target/linux/s3c24xx/patches-2.6.24/1200-debug-backtrace-not-choke-on-null-dev_blah.patch.patch

From 91edf710900c85d081f2f56ad23d85f65674d316 Mon Sep 17 00:00:00 2001
From: Andy Green <andy@openmoko.com>
Date: Wed, 2 Jul 2008 22:41:59 +0100
Subject: [PATCH] debug-backtrace-not-choke-on-null-dev_blah.patch

Signed-off-by: Andy Green <andy@openmoko.com>
---
 drivers/base/core.c |    5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)

diff --git a/drivers/base/core.c b/drivers/base/core.c
index 2683eac..49fdee2 100644
--- a/drivers/base/core.c
+++ b/drivers/base/core.c
@@ -42,6 +42,11 @@ int (*platform_notify_remove)(struct device * dev) = NULL;
  */
 const char *dev_driver_string(struct device *dev)
 {
+	if (!dev) {
+		printk(KERN_ERR"Null dev to dev_driver_string\n");
+		dump_stack();
+		return "*NULL*";
+	}
 	return dev->driver ? dev->driver->name :
 			(dev->bus ? dev->bus->name :
 			(dev->class ? dev->class->name : ""));
-- 
1.5.6.5