In case the BMP size is bigger than the frame buffer, don't use the BMP's width and height in video_display_rle8_bitmap, but the one's checked in video_bmp_display() as parameters to video_display_rle8_bitmap().
Signed-off-by: Patrice Chotard patrice.chotard@st.com CC: Yannick Fertré yannick.fertre@st.com
---
drivers/video/video_bmp.c | 8 +++----- 1 file changed, 3 insertions(+), 5 deletions(-)
diff --git a/drivers/video/video_bmp.c b/drivers/video/video_bmp.c index dc6258ce78..f3a6d04682 100644 --- a/drivers/video/video_bmp.c +++ b/drivers/video/video_bmp.c @@ -40,18 +40,16 @@ static void draw_encoded_bitmap(ushort **fbp, ushort col, int cnt)
static void video_display_rle8_bitmap(struct udevice *dev, struct bmp_image *bmp, ushort *cmap, - uchar *fb, int x_off, int y_off) + uchar *fb, int x_off, int y_off, + ulong width, ulong height) { struct video_priv *priv = dev_get_uclass_priv(dev); uchar *bmap; - ulong width, height; ulong cnt, runlen; int x, y; int decode = 1;
debug("%s\n", __func__); - width = get_unaligned_le32(&bmp->header.width); - height = get_unaligned_le32(&bmp->header.height); bmap = (uchar *)bmp + get_unaligned_le32(&bmp->header.data_offset);
x = 0; @@ -277,7 +275,7 @@ int video_bmp_display(struct udevice *dev, ulong bmp_image, int x, int y, return -EPROTONOSUPPORT; } video_display_rle8_bitmap(dev, bmp, cmap_base, fb, x, - y); + y, width, height); break; } #endif