svga: add NULL pointer check in svga_create_sampler_state()

Note: This is a candidate for the 9.0 branch.

diff --git a/src/gallium/drivers/svga/svga_pipe_sampler.c b/src/gallium/drivers/svga/svga_pipe_sampler.c
index 0d2745e25eff9ed3e649699bec0e912bb2464c0c..03d604d97c5bd33f32841e2816734dcc9b754cef 100644 (file)
--- a/src/gallium/drivers/svga/svga_pipe_sampler.c
+++ b/src/gallium/drivers/svga/svga_pipe_sampler.c
@@ -98,6 +98,9 @@ svga_create_sampler_state(struct pipe_context *pipe,
    struct svga_context *svga = svga_context(pipe);
    struct svga_sampler_state *cso = CALLOC_STRUCT( svga_sampler_state );
    
+   if (!cso)
+      return NULL;
+
    cso->mipfilter = translate_mip_filter(sampler->min_mip_filter);
    cso->magfilter = translate_img_filter( sampler->mag_img_filter );
    cso->minfilter = translate_img_filter( sampler->min_img_filter );