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From b0c1e8a5a319e506d173588258c134aec7421513 Mon Sep 17 00:00:00 2001
From: Andy Green <andy@openmoko.com>
Date: Fri, 25 Jul 2008 23:06:15 +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 ee0a51a..a1251c7 100644
--- a/drivers/base/core.c
+++ b/drivers/base/core.c
@@ -51,6 +51,11 @@ static inline int device_is_not_partition(struct device *dev)
*/
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 : ""));
--
1.5.6.3
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