---

yaml --- r: 108988 b: refs/heads/master c: 7c22503 h: refs/heads/master v: v3
git-mirror · Aug 21, 2008 · e9a6d3f · e9a6d3f
1 parent 09c532d
commit e9a6d3f
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Showing 2 changed files with 12 additions and 1 deletion.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: bf9ca69fc8d19d4034391d3df4c35dccdef9d28c
+refs/heads/master: 7c2250352e11bf956c4cfa20b01ae6ba72882788
diff --git a/trunk/drivers/base/class.c b/trunk/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) {