From e9b5872ce5959298233ca43d03860eef85f4634f Mon Sep 17 00:00:00 2001 From: Prabhakar Lad Date: Fri, 18 Jul 2014 13:31:51 -0300 Subject: [PATCH] [media] media: davinci: vpif: fix array out of bound warnings This patch fixes following array out of bound warnings, drivers/media/platform/davinci/vpif_display.c: In function 'vpif_remove': 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); ^ drivers/media/platform/davinci/vpif_display.c:1385:2: note: containing loop for (i = 0; i < VPIF_DISPLAY_MAX_DEVICES; i++) { ^ drivers/media/platform/davinci/vpif_capture.c: In function 'vpif_remove': 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); ^ drivers/media/platform/davinci/vpif_capture.c:1577:2: note: containing loop for (i = 0; i < VPIF_CAPTURE_MAX_DEVICES; i++) { ^ drivers/media/platform/davinci/vpif_capture.c:1580:23: warning: array subscript is above array bounds [-Warray-bounds] common = &ch->common[i]; Reported-by: Hans Verkuil Signed-off-by: Lad, Prabhakar Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- drivers/media/platform/davinci/vpif_capture.c | 2 +- drivers/media/platform/davinci/vpif_display.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/media/platform/davinci/vpif_capture.c b/drivers/media/platform/davinci/vpif_capture.c index 2f90f0d98ad5..3a85238afee3 100644 --- a/drivers/media/platform/davinci/vpif_capture.c +++ b/drivers/media/platform/davinci/vpif_capture.c @@ -1577,7 +1577,7 @@ static int vpif_remove(struct platform_device *device) for (i = 0; i < VPIF_CAPTURE_MAX_DEVICES; i++) { /* Get the pointer to the channel object */ ch = vpif_obj.dev[i]; - common = &ch->common[i]; + common = &ch->common[VPIF_VIDEO_INDEX]; vb2_dma_contig_cleanup_ctx(common->alloc_ctx); /* Unregister video device */ video_unregister_device(ch->video_dev); diff --git a/drivers/media/platform/davinci/vpif_display.c b/drivers/media/platform/davinci/vpif_display.c index 0bd6dcb13cbc..6c6bd6b47994 100644 --- a/drivers/media/platform/davinci/vpif_display.c +++ b/drivers/media/platform/davinci/vpif_display.c @@ -1385,7 +1385,7 @@ static int vpif_remove(struct platform_device *device) for (i = 0; i < VPIF_DISPLAY_MAX_DEVICES; i++) { /* Get the pointer to the channel object */ ch = vpif_obj.dev[i]; - common = &ch->common[i]; + common = &ch->common[VPIF_VIDEO_INDEX]; vb2_dma_contig_cleanup_ctx(common->alloc_ctx); /* Unregister video device */ video_unregister_device(ch->video_dev); -- 2.34.1