From: Emil Velikov Date: Fri, 7 Nov 2014 03:33:56 +0000 (+0000) Subject: egl_dri2: fix double free on drm platforms X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=38cec0303be9ef79facbb2c8f73eb6a2f77e82ca;p=mesa.git egl_dri2: fix double free on drm platforms Earlier commit failed to attribure that for drm platforms one does not call dri2_create_screen, thus it does not create the screen and driver_configs but inherits them from the "display" - gbm. As such wrap cleanup in Platform != _EGL_PLATFORM_DRM to prevent the issue and still cleanup correctly for non-drm platforms. v2: - Drop the ifdef HAVE_DRM_PLATFORM, reindent the code and fix the comment block. Suggested by Ken. Reported-by: Kenneth Graunke Reported-by: Mark Janes Signed-off-by: Emil Velikov Reviewed-and-tested-by: Kenneth Graunke (v1) --- diff --git a/src/egl/drivers/dri2/egl_dri2.c b/src/egl/drivers/dri2/egl_dri2.c index dcc323918eb..eceaf1a820c 100644 --- a/src/egl/drivers/dri2/egl_dri2.c +++ b/src/egl/drivers/dri2/egl_dri2.c @@ -707,9 +707,15 @@ dri2_terminate(_EGLDriver *drv, _EGLDisplay *disp) break; } - for (i = 0; dri2_dpy->driver_configs[i]; i++) - free((__DRIconfig *) dri2_dpy->driver_configs[i]); - free(dri2_dpy->driver_configs); + /* The drm platform does not create the screen/driver_configs but reuses + * the ones from the gbm device. As such the gbm itself is responsible + * for the cleanup. + */ + if (disp->Platform != _EGL_PLATFORM_DRM) { + for (i = 0; dri2_dpy->driver_configs[i]; i++) + free((__DRIconfig *) dri2_dpy->driver_configs[i]); + free(dri2_dpy->driver_configs); + } free(dri2_dpy); disp->DriverData = NULL;