target/linux/s3c24xx/patches-2.6.26/1178-debug-backtrace-not-choke-on-null-dev_blah.patch.patch

   1 From b0c1e8a5a319e506d173588258c134aec7421513 Mon Sep 17 00:00:00 2001
   2 From: Andy Green <andy@openmoko.com>
   3 Date: Fri, 25 Jul 2008 23:06:15 +0100
   4 Subject: [PATCH] debug-backtrace-not-choke-on-null-dev_blah.patch
   5
   6 Signed-off-by: Andy Green <andy@openmoko.com>
   7 ---
   8  drivers/base/core.c |    5 +++++
   9  1 files changed, 5 insertions(+), 0 deletions(-)
  10
  11 diff --git a/drivers/base/core.c b/drivers/base/core.c
  12 index ee0a51a..a1251c7 100644
  13 --- a/drivers/base/core.c
  14 +++ b/drivers/base/core.c
  15 @@ -51,6 +51,11 @@ static inline int device_is_not_partition(struct device *dev)
  16   */
  17  const char *dev_driver_string(struct device *dev)
  18  {
  19 +       if (!dev) {
  20 +               printk(KERN_ERR"Null dev to dev_driver_string\n");
  21 +               dump_stack();
  22 +               return "*NULL*";
  23 +       }
  24         return dev->driver ? dev->driver->name :
  25                         (dev->bus ? dev->bus->name :
  26                         (dev->class ? dev->class->name : ""));
  27 --
  28 1.5.6.3
  29