tree: git://git.infradead.org/users/hch/dma-mapping for-next head: fdcd02a641e224c7364c8eca218b65619a1ee0a0 commit: fdcd02a641e224c7364c8eca218b65619a1ee0a0 [9/9] media: uvcvideo: Use dma_alloc_noncontiguos API compiler: hppa-linux-gcc (GCC) 9.3.0 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; "cppcheck warnings: (new ones prefixed by >>)" struct device *dma_dev = dma_dev = stream_to_dmadev(uvc_urb->stream); ^ drivers/media/usb/uvc/uvc_video.c:1588:0: warning: Redundant assignment of 'dma_dev' to itself. [selfAssignment] struct device *dma_dev = dma_dev = stream_to_dmadev(stream); ^ vim +/dma_dev +1109 drivers/media/usb/uvc/uvc_video.c 1106 1107 static void uvc_urb_dma_sync(struct uvc_urb *uvc_urb, bool for_device) 1108 { 1110 1111 if (for_device) { 1112 dma_sync_sgtable_for_device(dma_dev, uvc_urb->sgt, 1113 DMA_FROM_DEVICE); 1114 } else { 1115 dma_sync_sgtable_for_cpu(dma_dev, uvc_urb->sgt, 1116 DMA_FROM_DEVICE); 1117 invalidate_kernel_vmap_range(uvc_urb->buffer, 1118 uvc_urb->stream->urb_size); 1119 } 1120 } 1121 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org