Hi Prabhakar, Can you take a look at these new warnings? I've just upgraded my compiler for the daily build to 4.9.1, so that's probably why they weren't seen before. Regards, Hans /home/hans/work/build/media-git/drivers/media/platform/davinci/vpif_display.c: In function 'vpif_remove': /home/hans/work/build/media-git/drivers/media/platform/davinci/vpif_display.c:1389:36: warning: iteration 1u invokes undefined behavior [-Waggressive-loop-optimizations] vb2_dma_contig_cleanup_ctx(common->alloc_ctx); ^ /home/hans/work/build/media-git/drivers/media/platform/davinci/vpif_display.c:1385:2: note: containing loop for (i = 0; i < VPIF_DISPLAY_MAX_DEVICES; i++) { ^ /home/hans/work/build/media-git/drivers/media/platform/davinci/vpif_capture.c: In function 'vpif_remove': /home/hans/work/build/media-git/drivers/media/platform/davinci/vpif_capture.c:1581:36: warning: iteration 1u invokes undefined behavior [-Waggressive-loop-optimizations] vb2_dma_contig_cleanup_ctx(common->alloc_ctx); ^ /home/hans/work/build/media-git/drivers/media/platform/davinci/vpif_capture.c:1577:2: note: containing loop for (i = 0; i < VPIF_CAPTURE_MAX_DEVICES; i++) { ^ /home/hans/work/build/media-git/drivers/media/platform/davinci/vpif_capture.c:1580:23: warning: array subscript is above array bounds [-Warray-bounds] common = &ch->common[i]; ^ -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html