From 29ccac5efc04b7b29cfdd0ce26869fe808ad16af Mon Sep 17 00:00:00 2001 From: inmarket Date: Wed, 1 Mar 2017 10:45:20 +1000 Subject: [PATCH] Update to the UC8173 driver to fix memory overwrite --- drivers/gdisp/UC8173/gdisp_lld_UC8173.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/drivers/gdisp/UC8173/gdisp_lld_UC8173.c b/drivers/gdisp/UC8173/gdisp_lld_UC8173.c index 75a4a237..97dd515a 100644 --- a/drivers/gdisp/UC8173/gdisp_lld_UC8173.c +++ b/drivers/gdisp/UC8173/gdisp_lld_UC8173.c @@ -32,7 +32,7 @@ #endif #define PRIV(g) ((UC8173_Private*)((g)->priv)) -#define FRAMEBUFFER(g) (PRIV(g)->framebuffer) +#define FRAMEBUFFER(g) ((uint8_t *)(PRIV(g)+1)) #define GDISP_FLG_NEEDFLUSH (GDISP_FLG_DRIVER << 0) #if GDISP_LLD_PIXELFORMAT == GDISP_PIXELFORMAT_MONO @@ -56,7 +56,6 @@ typedef struct UC8173_Private { coord_t flushWindowY; coord_t flushWindowWidth; coord_t flushWindowHeight; - uint8_t* framebuffer; } UC8173_Private; // This function rounds a given integer up to a specified multiple. Note, multiple must be a power of 2! @@ -149,7 +148,6 @@ LLDSPEC bool_t gdisp_lld_init(GDisplay* g) PRIV(g)->flushWindowY = 0; PRIV(g)->flushWindowWidth = GDISP_SCREEN_WIDTH; PRIV(g)->flushWindowHeight = GDISP_SCREEN_HEIGHT; - PRIV(g)->framebuffer = (uint8_t*)(PRIV(g) + offsetof(UC8173_Private, framebuffer)); // Initialise the board interface if (!init_board(g)) {