Driver core: keep PHYSDEV for old struct class_device

[linux-2.6-omap-h63xx.git] / drivers / base / core.c

diff --git a/drivers/base/core.c b/drivers/base/core.c
index b78fc1e68264872a196c6a7b1e454b080a9831bd..dd40d78a023dd1f2fde9712ac7700d5ade4893cf 100644 (file)
--- a/drivers/base/core.c
+++ b/drivers/base/core.c
@@ -180,10 +180,12 @@ static int dev_uevent(struct kset *kset, struct kobject *kobj, char **envp,
                        const char *path;
 
                        path = kobject_get_path(&parent->kobj, GFP_KERNEL);
-                       add_uevent_var(envp, num_envp, &i,
-                                      buffer, buffer_size, &length,
-                                      "PHYSDEVPATH=%s", path);
-                       kfree(path);
+                       if (path) {
+                               add_uevent_var(envp, num_envp, &i,
+                                              buffer, buffer_size, &length,
+                                              "PHYSDEVPATH=%s", path);
+                               kfree(path);
+                       }
 
                        add_uevent_var(envp, num_envp, &i,
                                       buffer, buffer_size, &length,