From: Jani Nikula <jani.nik...@intel.com> [ Upstream commit bf3f5e98559360661a3d2af340d46522512c0b00 ]
Fix build warning if drm_panel.h is built with CONFIG_OF=n or CONFIG_DRM_PANEL=n and included without the prerequisite err.h: ./include/drm/drm_panel.h: In function ‘of_drm_find_panel’: ./include/drm/drm_panel.h:203:9: error: implicit declaration of function ‘ERR_PTR’ [-Werror=implicit-function-declaration] return ERR_PTR(-ENODEV); ^~~~~~~ ./include/drm/drm_panel.h:203:9: error: returning ‘int’ from a function with return type ‘struct drm_panel *’ makes pointer from integer without a cast [-Werror=int-conversion] return ERR_PTR(-ENODEV); ^~~~~~~~~~~~~~~~ Fixes: 5fa8e4a22182 ("drm/panel: Make of_drm_find_panel() return an ERR_PTR() instead of NULL") Signed-off-by: Jani Nikula <jani.nik...@intel.com> Acked-by: Thierry Reding <tred...@nvidia.com> Reviewed-by: Sam Ravnborg <s...@ravnborg.org> Reviewed-by: Sean Paul <s...@poorly.run> Cc: Boris Brezillon <bbrezil...@kernel.org> Signed-off-by: Sam Ravnborg <s...@ravnborg.org> Link: https://patchwork.freedesktop.org/patch/msgid/20190718161507.2047-2-...@ravnborg.org Signed-off-by: Sasha Levin <sas...@kernel.org> --- include/drm/drm_panel.h | 1 + 1 file changed, 1 insertion(+) diff --git a/include/drm/drm_panel.h b/include/drm/drm_panel.h index 777814755fa6..675aa1e876ce 100644 --- a/include/drm/drm_panel.h +++ b/include/drm/drm_panel.h @@ -24,6 +24,7 @@ #ifndef __DRM_PANEL_H__ #define __DRM_PANEL_H__ +#include <linux/err.h> #include <linux/errno.h> #include <linux/list.h> -- 2.20.1 _______________________________________________ dri-devel mailing list dri-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/dri-devel