diff options
Diffstat (limited to 'drivers/hid/hid-picolcd_fb.c')
| -rw-r--r-- | drivers/hid/hid-picolcd_fb.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/hid/hid-picolcd_fb.c b/drivers/hid/hid-picolcd_fb.c index 591f6b22aa9..7f965e23143 100644 --- a/drivers/hid/hid-picolcd_fb.c +++ b/drivers/hid/hid-picolcd_fb.c @@ -501,7 +501,7 @@ static ssize_t picolcd_fb_update_rate_store(struct device *dev, return count; } -static DEVICE_ATTR(fb_update_rate, 0666, picolcd_fb_update_rate_show, +static DEVICE_ATTR(fb_update_rate, 0664, picolcd_fb_update_rate_show, picolcd_fb_update_rate_store); /* initialize Framebuffer device */ @@ -593,10 +593,14 @@ err_nomem: void picolcd_exit_framebuffer(struct picolcd_data *data) { struct fb_info *info = data->fb_info; - struct picolcd_fb_data *fbdata = info->par; + struct picolcd_fb_data *fbdata; unsigned long flags; + if (!info) + return; + device_remove_file(&data->hdev->dev, &dev_attr_fb_update_rate); + fbdata = info->par; /* disconnect framebuffer from HID dev */ spin_lock_irqsave(&fbdata->lock, flags); |