mesa: Don't try to remove an internal shader_program from the hash.

It fails on assertions if the key isn't actually present.

1 files changed, 4 insertions, 2 deletions

diff --git a/src/mesa/main/shaderobj.c b/src/mesa/main/shaderobj.c
index 1d75845590f..62de23bd100 100644
--- a/src/mesa/main/shaderobj.c
+++ b/src/mesa/main/shaderobj.c
@@ -72,7 +72,8 @@ _mesa_reference_shader(struct gl_context *ctx, struct gl_shader **ptr,
       deleteFlag = (old->RefCount == 0);
 
       if (deleteFlag) {
-         _mesa_HashRemove(ctx->Shared->ShaderObjects, old->Name);
+	 if (old->Name != 0)
+	    _mesa_HashRemove(ctx->Shared->ShaderObjects, old->Name);
          ctx->Driver.DeleteShader(ctx, old);
       }
 
@@ -213,7 +214,8 @@ _mesa_reference_shader_program(struct gl_context *ctx,
       deleteFlag = (old->RefCount == 0);
 
       if (deleteFlag) {
-         _mesa_HashRemove(ctx->Shared->ShaderObjects, old->Name);
+	 if (old->Name != 0)
+	    _mesa_HashRemove(ctx->Shared->ShaderObjects, old->Name);
          ctx->Driver.DeleteShaderProgram(ctx, old);
       }