From b0c1e8a5a319e506d173588258c134aec7421513 Mon Sep 17 00:00:00 2001 From: Andy Green 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 --- 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