diff options
| -rw-r--r-- | drivers/media/usb/stkwebcam/stk-webcam.c | 11 | ||||
| -rw-r--r-- | drivers/media/usb/stkwebcam/stk-webcam.h | 2 |
2 files changed, 4 insertions, 9 deletions
diff --git a/drivers/media/usb/stkwebcam/stk-webcam.c b/drivers/media/usb/stkwebcam/stk-webcam.c index 5b822214ccc5..787edb3d47c2 100644 --- a/drivers/media/usb/stkwebcam/stk-webcam.c +++ b/drivers/media/usb/stkwebcam/stk-webcam.c @@ -150,25 +150,18 @@ int stk_camera_write_reg(struct stk_camera *dev, u16 index, u8 value) int stk_camera_read_reg(struct stk_camera *dev, u16 index, u8 *value) { struct usb_device *udev = dev->udev; - unsigned char *buf; int ret; - buf = kmalloc(sizeof(u8), GFP_KERNEL); - if (!buf) - return -ENOMEM; - ret = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), 0x00, USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE, 0x00, index, - buf, + &dev->read_reg_scratch, sizeof(u8), 500); if (ret >= 0) - *value = *buf; - - kfree(buf); + *value = dev->read_reg_scratch; if (ret < 0) return ret; diff --git a/drivers/media/usb/stkwebcam/stk-webcam.h b/drivers/media/usb/stkwebcam/stk-webcam.h index 14519e5308b1..136decffe9ce 100644 --- a/drivers/media/usb/stkwebcam/stk-webcam.h +++ b/drivers/media/usb/stkwebcam/stk-webcam.h @@ -105,6 +105,8 @@ struct stk_camera { struct list_head sio_avail; struct list_head sio_full; unsigned sequence; + + u8 read_reg_scratch; }; #define vdev_to_camera(d) container_of(d, struct stk_camera, vdev) |