diff options
Diffstat (limited to 'drivers/thunderbolt')
| -rw-r--r-- | drivers/thunderbolt/switch.c | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/drivers/thunderbolt/switch.c b/drivers/thunderbolt/switch.c index 83b1ef3d5d03..bc91887f24c3 100644 --- a/drivers/thunderbolt/switch.c +++ b/drivers/thunderbolt/switch.c @@ -1498,6 +1498,7 @@ static ssize_t authorized_show(struct device *dev, static int disapprove_switch(struct device *dev, void *not_used) { + char *envp[] = { "AUTHORIZED=0", NULL }; struct tb_switch *sw; sw = tb_to_switch(dev); @@ -1514,7 +1515,7 @@ static int disapprove_switch(struct device *dev, void *not_used) return ret; sw->authorized = 0; - kobject_uevent(&sw->dev.kobj, KOBJ_CHANGE); + kobject_uevent_env(&sw->dev.kobj, KOBJ_CHANGE, envp); } return 0; @@ -1522,7 +1523,9 @@ static int disapprove_switch(struct device *dev, void *not_used) static int tb_switch_set_authorized(struct tb_switch *sw, unsigned int val) { + char envp_string[13]; int ret = -EINVAL; + char *envp[] = { envp_string, NULL }; if (!mutex_trylock(&sw->tb->lock)) return restart_syscall(); @@ -1559,8 +1562,12 @@ static int tb_switch_set_authorized(struct tb_switch *sw, unsigned int val) if (!ret) { sw->authorized = val; - /* Notify status change to the userspace */ - kobject_uevent(&sw->dev.kobj, KOBJ_CHANGE); + /* + * Notify status change to the userspace, informing the new + * value of /sys/bus/thunderbolt/devices/.../authorized. + */ + sprintf(envp_string, "AUTHORIZED=%u", sw->authorized); + kobject_uevent_env(&sw->dev.kobj, KOBJ_CHANGE, envp); } unlock: |