gdsys: osd: Allow osdsize on valid screens only

Limit "osdsize"-command to access valid screens only.

Signed-off-by: Dirk Eibach <dirk.eibach@gdsys.cc>
Reviewed-by: Tom Rini <trini@konsulko.com>

diff --git a/board/gdsys/common/osd.c b/board/gdsys/common/osd.c
index 4e292f56626ad4b9affd229299b08d42f6f1cc77..add95743698f7b4c51a93d9a6f1b734b8b257ee7 100644 (file)
--- a/board/gdsys/common/osd.c
+++ b/board/gdsys/common/osd.c
@@ -469,6 +469,9 @@ int osd_size(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
        }
 
        for (screen = 0; screen < MAX_OSD_SCREEN; ++screen) {
+               if (!(osd_screen_mask & (1 << screen)))
+                       continue;
+
                OSD_SET_REG(screen, xy_size, ((x - 1) << 8) | (y - 1));
                OSD_SET_REG(screen, x_pos, 32767 * (640 - 12 * x) / 65535);
                OSD_SET_REG(screen, y_pos, 32767 * (480 - 18 * y) / 65535);