Re: [PATCH] drm/imx: fix out of bounds array access warning
From: Fabio Estevam <festevam@gmail.com>
Date: 2021-03-23 14:03:07
Also in:
dri-devel, lkml
Hi Arnd, On Tue, Mar 23, 2021 at 10:05 AM Arnd Bergmann [off-list ref] wrote:
From: Arnd Bergmann <arnd@arndb.de> When CONFIG_OF is disabled, building with 'make W=1' produces warnings about out of bounds array access: drivers/gpu/drm/imx/imx-ldb.c: In function 'imx_ldb_set_clock.constprop': drivers/gpu/drm/imx/imx-ldb.c:186:8: error: array subscript -22 is below array bounds of 'struct clk *[4]' [-Werror=array-bounds]
What about making the driver depend on OF instead (like it is done in DRM_IMX_HDMI) ?
--- a/drivers/gpu/drm/imx/Kconfig
+++ b/drivers/gpu/drm/imx/Kconfig@@ -27,7 +27,7 @@ config DRM_IMX_TVE config DRM_IMX_LDB tristate "Support for LVDS displays" - depends on DRM_IMX && MFD_SYSCON + depends on DRM_IMX && MFD_SYSCON && OF depends on COMMON_CLK select DRM_PANEL help
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