svga: Rename error labels.

Make it easier to insert/remove error branches.

src/gallium/drivers/svga/svga_context.c

@@ -130,7 +130,7 @@ struct pipe_context *svga_context_create( struct pipe_screen *screen )
 
    svga = CALLOC_STRUCT(svga_context);
    if (svga == NULL)
-      goto error1;
+      goto no_svga;
 
    svga->pipe.winsys = screen->winsys;
    svga->pipe.screen = screen;
@@ -142,7 +142,7 @@ struct pipe_context *svga_context_create( struct pipe_screen *screen )
 
    svga->swc = svgascreen->sws->context_create(svgascreen->sws);
    if(!svga->swc)
-      goto error2;
+      goto no_swc;
 
    svga_init_blend_functions(svga);
    svga_init_blit_functions(svga);
@@ -165,32 +165,32 @@ struct pipe_context *svga_context_create( struct pipe_screen *screen )
    svga->debug.disable_shader = debug_get_num_option("SVGA_DISABLE_SHADER", ~0);
 
    if (!svga_init_swtnl(svga))
-      goto error3;
+      goto no_swtnl;
 
    svga->upload_ib = u_upload_create( svga->pipe.screen,
                                       32 * 1024,
                                       16,
                                       PIPE_BUFFER_USAGE_INDEX );
    if (svga->upload_ib == NULL)
-      goto error4;
+      goto no_upload_ib;
 
    svga->upload_vb = u_upload_create( svga->pipe.screen,
                                       128 * 1024,
                                       16,
                                       PIPE_BUFFER_USAGE_VERTEX );
    if (svga->upload_vb == NULL)
-      goto error5;
+      goto no_upload_vb;
 
    svga->hwtnl = svga_hwtnl_create( svga,
                                     svga->upload_ib,
                                     svga->swc );
    if (svga->hwtnl == NULL)
-      goto error6;
+      goto no_hwtnl;
 
 
    ret = svga_emit_initial_state( svga );
    if (ret)
-      goto error7;
+      goto no_state;
    
    /* Avoid shortcircuiting state with initial value of zero.
     */
@@ -209,19 +209,19 @@ struct pipe_context *svga_context_create( struct pipe_screen *screen )
 
    return &svga->pipe;
 
-error7:
+no_state:
    svga_hwtnl_destroy( svga->hwtnl );
-error6:
+no_hwtnl:
    u_upload_destroy( svga->upload_vb );
-error5:
+no_upload_vb:
    u_upload_destroy( svga->upload_ib );
-error4:
+no_upload_ib:
    svga_destroy_swtnl(svga);
-error3:
+no_swtnl:
    svga->swc->destroy(svga->swc);
-error2:
+no_swc:
    FREE(svga);
-error1:
+no_svga:
    return NULL;
 }