ioctl/qbuf: only copy necessary amount of planes

lu-zero · Mar 9, 2023 · 270a0be · 270a0be
1 parent 7ece9fd
commit 270a0be
Showing 1 changed file with 5 additions and 1 deletion.
diff --git a/lib/src/ioctl/qbuf.rs b/lib/src/ioctl/qbuf.rs
@@ -87,7 +87,11 @@ impl QBuf for V4l2Buffer {
         v4l2_planes: &mut V4l2BufferPlanes,
     ) -> Result<(), QBufError> {
         *v4l2_buf = self.buffer;
-        for (dest, src) in v4l2_planes.iter_mut().zip(self.planes.iter()) {
+        for (dest, src) in v4l2_planes
+            .iter_mut()
+            .zip(self.planes.iter())
+            .take(v4l2_buf.length as usize)
+        {
             *dest = *src;
         }