drm/radeon/kms: Free CS parser state tracking memory.

Fixes leak hidden in commit 9f022ddf
('drm/radeon/kms: convert r4xx to new init path').
Signed-off-by: Michel Dänzer <daenzer@vmware.com>
Signed-off-by: Dave Airlie <airlied@linux.ie>

drivers/gpu/drm/radeon/radeon_cs.c

@@ -185,6 +185,7 @@ static void radeon_cs_parser_fini(struct radeon_cs_parser *parser, int error)
 			mutex_unlock(&parser->rdev->ddev->struct_mutex);
 		}
 	}
+	kfree(parser->track);
 	kfree(parser->relocs);
 	kfree(parser->relocs_ptr);
 	for (i = 0; i < parser->nchunks; i++) {