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authorAndy Green <andy@openmoko.com>2008-11-19 17:09:50 +0000
committerAndy Green <agreen@pads.home.warmcat.com>2008-11-19 17:09:50 +0000
commitcbdda98de3b3d57f22830e7932e52e4358e37a4e (patch)
tree4b76678aae5a54aa386d3ab9e9dee9bdd8328370 /drivers
parent65c79ff69dc050ab6b278ef31389fba60facb2db (diff)
debug-backtrace-not-choke-on-null-dev_blah.patch
Signed-off-by: Andy Green <andy@openmoko.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/base/core.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/base/core.c b/drivers/base/core.c
index 8c2cc2648f5..6a06cf0eeba 100644
--- a/drivers/base/core.c
+++ b/drivers/base/core.c
@@ -55,6 +55,11 @@ static inline int device_is_not_partition(struct device *dev)
*/
const char *dev_driver_string(const 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 : ""));