diff options
Diffstat (limited to 'drivers/base')
| -rw-r--r-- | drivers/base/class.c | 59 | ||||
| -rw-r--r-- | drivers/base/core.c | 10 |
2 files changed, 27 insertions, 42 deletions
diff --git a/drivers/base/class.c b/drivers/base/class.c index 20c4ea6eb50..8c506dbe391 100644 --- a/drivers/base/class.c +++ b/drivers/base/class.c @@ -369,36 +369,6 @@ char *make_class_name(const char *name, struct kobject *kobj) return class_name; } -static int deprecated_class_uevent(char **envp, int num_envp, int *cur_index, - char *buffer, int buffer_size, - int *cur_len, - struct class_device *class_dev) -{ - struct device *dev = class_dev->dev; - char *path; - - if (!dev) - return 0; - - /* add device, backing this class device (deprecated) */ - path = kobject_get_path(&dev->kobj, GFP_KERNEL); - - add_uevent_var(envp, num_envp, cur_index, buffer, buffer_size, - cur_len, "PHYSDEVPATH=%s", path); - kfree(path); - - if (dev->bus) - add_uevent_var(envp, num_envp, cur_index, - buffer, buffer_size, cur_len, - "PHYSDEVBUS=%s", dev->bus->name); - - if (dev->driver) - add_uevent_var(envp, num_envp, cur_index, - buffer, buffer_size, cur_len, - "PHYSDEVDRIVER=%s", dev->driver->name); - return 0; -} - static int make_deprecated_class_device_links(struct class_device *class_dev) { char *class_name; @@ -430,11 +400,6 @@ static void remove_deprecated_class_device_links(struct class_device *class_dev) kfree(class_name); } #else -static inline int deprecated_class_uevent(char **envp, int num_envp, - int *cur_index, char *buffer, - int buffer_size, int *cur_len, - struct class_device *class_dev) -{ return 0; } static inline int make_deprecated_class_device_links(struct class_device *cd) { return 0; } static void remove_deprecated_class_device_links(struct class_device *cd) @@ -445,15 +410,13 @@ static int class_uevent(struct kset *kset, struct kobject *kobj, char **envp, int num_envp, char *buffer, int buffer_size) { struct class_device *class_dev = to_class_dev(kobj); + struct device *dev = class_dev->dev; int i = 0; int length = 0; int retval = 0; pr_debug("%s - name = %s\n", __FUNCTION__, class_dev->class_id); - deprecated_class_uevent(envp, num_envp, &i, buffer, buffer_size, - &length, class_dev); - if (MAJOR(class_dev->devt)) { add_uevent_var(envp, num_envp, &i, buffer, buffer_size, &length, @@ -464,6 +427,26 @@ static int class_uevent(struct kset *kset, struct kobject *kobj, char **envp, "MINOR=%u", MINOR(class_dev->devt)); } + if (dev) { + const char *path = kobject_get_path(&dev->kobj, GFP_KERNEL); + if (path) { + add_uevent_var(envp, num_envp, &i, + buffer, buffer_size, &length, + "PHYSDEVPATH=%s", path); + kfree(path); + } + + if (dev->bus) + add_uevent_var(envp, num_envp, &i, + buffer, buffer_size, &length, + "PHYSDEVBUS=%s", dev->bus->name); + + if (dev->driver) + add_uevent_var(envp, num_envp, &i, + buffer, buffer_size, &length, + "PHYSDEVDRIVER=%s", dev->driver->name); + } + /* terminate, set to next free slot, shrink available space */ envp[i] = NULL; envp = &envp[i]; diff --git a/drivers/base/core.c b/drivers/base/core.c index b78fc1e6826..dd40d78a023 100644 --- 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, |