loader: Fix vkDestroySurfaceKHR call on NULL surf
authorMark Young <marky@lunarg.com>
Mon, 17 Oct 2016 18:27:36 +0000 (12:27 -0600)
committerMark Young <marky@lunarg.com>
Mon, 17 Oct 2016 18:27:36 +0000 (12:27 -0600)
commitd668bbbf9e3f1dd9e05f1064f82999fff59d059f
tree098e2033d44897f8545353fd09873712658d7967
parentbf251db8ed4672a6ea86b9daa0df9d9891d665c1
loader: Fix vkDestroySurfaceKHR call on NULL surf

Thanks to Derrick Owens @ AMD for catching this bug which can
cause a null-ptr dereference while running Khronos conformance
test dEQP-VK.wsi.win32.surface.destroy_null_handle.

Change-Id: I104a890cd23615458566ec71e072e21c76e989cb
loader/wsi.c