[Mesa-dev] [PATCH] svga: Check vs and fs pointer when updating states.

[Brian Paul]

On 03/03/2012 04:17 AM, Vic Lee wrote:
> This patch fix segfault if an application clears a render target
> before setting any vertex or fragment shaders, which is a legal
> situation.

I can't seem to trigger this problem with a test program.  Can you 
post a test case?

The first part of your patch looks OK but I don't see why the second 
part is needed.  We already check svga->curr.fs before dereffing the 
pointer.

-Brian