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| author | Robert Richter <robert.richter@amd.com> | 2008-09-24 11:25:31 +0200 |
|---|---|---|
| committer | Robert Richter <robert.richter@amd.com> | 2008-09-24 11:25:31 +0200 |
| commit | f78e80209cf143be49f268c340431ae9fa3abb74 (patch) | |
| tree | 820fa64b688099dfdd93d27ba03252738ca5c7e2 /drivers/base/class.c | |
| parent | 4c168eaf7ea39f25a45a3d8c7eebc3fedb633a1d (diff) | |
| parent | 24342c34a022ee90839873d91396045e12ef1090 (diff) | |
Merge commit 'v2.6.27-rc5' into tip/oprofile
Conflicts:
arch/x86/oprofile/nmi_int.c
Diffstat (limited to 'drivers/base/class.c')
| -rw-r--r-- | drivers/base/class.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/base/class.c b/drivers/base/class.c index 5667c2f02c51..cc5e28c8885c 100644 --- a/drivers/base/class.c +++ b/drivers/base/class.c @@ -295,6 +295,12 @@ int class_for_each_device(struct class *class, struct device *start, if (!class) return -EINVAL; + if (!class->p) { + WARN(1, "%s called for class '%s' before it was initialized", + __func__, class->name); + return -EINVAL; + } + mutex_lock(&class->p->class_mutex); list_for_each_entry(dev, &class->p->class_devices, node) { if (start) { @@ -344,6 +350,11 @@ struct device *class_find_device(struct class *class, struct device *start, if (!class) return NULL; + if (!class->p) { + WARN(1, "%s called for class '%s' before it was initialized", + __func__, class->name); + return NULL; + } mutex_lock(&class->p->class_mutex); list_for_each_entry(dev, &class->p->class_devices, node) { |