This kind of memcpy() is error-prone. Its replacement with a struct
assignment is prefered because it's type-safe and much easier to read.
Cc: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>
Signed-off-by: Peter Senna Tschudin <peter.senna@xxxxxxxxx>
Signed-off-by: Ezequiel Garcia <elezegarcia@xxxxxxxxx>
---
Changes from v1:
* Replaced a memcpy() in ucv_ctrl_add_info(),
originally missed by the coccinelle script.
drivers/media/usb/uvc/uvc_ctrl.c | 2 +-
drivers/media/usb/uvc/uvc_v4l2.c | 6 +++---
2 files changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/media/usb/uvc/uvc_ctrl.c b/drivers/media/usb/uvc/uvc_ctrl.c
index 516a5b1..f2f6443 100644
--- a/drivers/media/usb/uvc/uvc_ctrl.c
+++ b/drivers/media/usb/uvc/uvc_ctrl.c
@@ -1839,7 +1839,7 @@ static int uvc_ctrl_add_info(struct uvc_device *dev, struct uvc_control *ctrl,
{
int ret = 0;
- memcpy(&ctrl->info, info, sizeof(*info));
+ ctrl->info = *info;
INIT_LIST_HEAD(&ctrl->info.mappings);
/* Allocate an array to save control values (cur, def, max, etc.) */
diff --git a/drivers/media/usb/uvc/uvc_v4l2.c b/drivers/media/usb/uvc/uvc_v4l2.c
index 8e05604..36e79ed 100644
--- a/drivers/media/usb/uvc/uvc_v4l2.c
+++ b/drivers/media/usb/uvc/uvc_v4l2.c
@@ -315,7 +315,7 @@ static int uvc_v4l2_set_format(struct uvc_streaming *stream,
goto done;
}
- memcpy(&stream->ctrl, &probe, sizeof probe);
+ stream->ctrl = probe;
stream->cur_format = format;
stream->cur_frame = frame;
@@ -387,7 +387,7 @@ static int uvc_v4l2_set_streamparm(struct uvc_streaming *stream,
return -EBUSY;
}
- memcpy(&probe, &stream->ctrl, sizeof probe);
+ probe = stream->ctrl;
probe.dwFrameInterval =
uvc_try_frame_interval(stream->cur_frame, interval);
@@ -398,7 +398,7 @@ static int uvc_v4l2_set_streamparm(struct uvc_streaming *stream,
return ret;
}
- memcpy(&stream->ctrl, &probe, sizeof probe);
+ stream->ctrl = probe;
mutex_unlock(&stream->mutex);
/* Return the actual frame period. */
--
1.7.4.4
--
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