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

Fixes leak hidden in commit 9f022ddfb23793b475ff7e57ac08a766dd5d31bd
('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>
diff --git a/drivers/gpu/drm/radeon/radeon_cs.c b/drivers/gpu/drm/radeon/radeon_cs.c
index b530926..12f5990 100644
--- a/drivers/gpu/drm/radeon/radeon_cs.c
+++ b/drivers/gpu/drm/radeon/radeon_cs.c
@@ -185,6 +185,7 @@
 			mutex_unlock(&parser->rdev->ddev->struct_mutex);
 		}
 	}
+	kfree(parser->track);
 	kfree(parser->relocs);
 	kfree(parser->relocs_ptr);
 	for (i = 0; i < parser->nchunks; i++) {