mesa: Remove dead error condition.

diff --git a/src/mesa/main/pixel.c b/src/mesa/main/pixel.c
index f6c316a..e2e3854 100644 (file)
--- a/src/mesa/main/pixel.c
+++ b/src/mesa/main/pixel.c
@@ -427,7 +427,7 @@ _mesa_GetPixelMapusv( GLenum map, GLushort *values )
       _mesa_error(ctx, GL_INVALID_ENUM, "glGetPixelMapusv(map)");
       return;
    }
-   mapsize = pm ? pm->Size : 0;
+   mapsize = pm->Size;
 
    if (!validate_pbo_access(ctx, &ctx->Pack, mapsize,
                             GL_INTENSITY, GL_UNSIGNED_SHORT, values)) {