30 lines
866 B
Diff
30 lines
866 B
Diff
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From b0c1e8a5a319e506d173588258c134aec7421513 Mon Sep 17 00:00:00 2001
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From: Andy Green <andy@openmoko.com>
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Date: Fri, 25 Jul 2008 23:06:15 +0100
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Subject: [PATCH] debug-backtrace-not-choke-on-null-dev_blah.patch
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Signed-off-by: Andy Green <andy@openmoko.com>
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---
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drivers/base/core.c | 5 +++++
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1 files changed, 5 insertions(+), 0 deletions(-)
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diff --git a/drivers/base/core.c b/drivers/base/core.c
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index ee0a51a..a1251c7 100644
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--- a/drivers/base/core.c
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+++ b/drivers/base/core.c
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@@ -51,6 +51,11 @@ static inline int device_is_not_partition(struct device *dev)
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*/
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const char *dev_driver_string(struct device *dev)
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{
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+ if (!dev) {
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+ printk(KERN_ERR"Null dev to dev_driver_string\n");
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+ dump_stack();
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+ return "*NULL*";
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+ }
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return dev->driver ? dev->driver->name :
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(dev->bus ? dev->bus->name :
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(dev->class ? dev->class->name : ""));
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--
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1.5.6.3
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