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egl: Check for NULL native_window in eglCreateWindowSurface

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We have customers using NULL as a way to test the robustness of the API.
Without this check, EGL will segfault trying to dereference
dri2_surf->wl_win->private because wl_win is NULL.

This fix adds a check and sets EGL_BAD_NATIVE_WINDOW

v2: Incorporated feedback from idr - moved the check to a higher level
function.

Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
Reviewed-by: Chad Versace <chad.versace@linux.intel.com>
Cc: "10.1 10.2" <mesa-stable@lists.freedesktop.org>
This commit is contained in:
Sinclair Yeh 2014-06-03 14:00:13 -07:00 • committed by Ian Romanick
parent d226191820
commit 91ff0d4c65
1 changed files with 4 additions and 0 deletions
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4
src/egl/main/eglapi.c
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@ -571,6 +571,10 @@ _eglCreateWindowSurfaceCommon(_EGLDisplay *disp, EGLConfig config,
EGLSurface ret;
_EGL_CHECK_CONFIG(disp, conf, EGL_NO_SURFACE, drv);
if (native_window == NULL)
RETURN_EGL_ERROR(disp, EGL_BAD_NATIVE_WINDOW, EGL_NO_SURFACE);
surf = drv->API.CreateWindowSurface(drv, disp, conf, native_window,
attrib_list);
ret = (surf) ? _eglLinkSurface(surf) : EGL_NO_SURFACE;