mesa/st: Check for a NULL _LinkedShader[i] before using it.

The rest of the linker/glsl translation code checks for NULL, so I suppose we should check here too. Fixes crash on exit with i915g instanced drawing.

Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
This commit is contained in:
Stéphane Marchesin
2011-10-09 16:49:19 -07:00
parent 0f55f133f1
commit ddba509c16

View File

@@ -1154,7 +1154,8 @@ destroy_shader_program_variants_cb(GLuint key, void *data, void *userData)
} }
for (i = 0; i < Elements(shProg->_LinkedShaders); i++) { for (i = 0; i < Elements(shProg->_LinkedShaders); i++) {
destroy_program_variants(st, shProg->_LinkedShaders[i]->Program); if (shProg->_LinkedShaders[i])
destroy_program_variants(st, shProg->_LinkedShaders[i]->Program);
} }
} }
break; break;