> fs/ntfs/sysctl.c:38:15: error: undefined identifier 'CTL_UNNUMBRED' Sparse left empty ctype when error happen. Sparse should skip the expand_symbol() at all if error happen. Please try this patch: Fix the segfault when initializer has unknown symbol Signed-Off-By: Christopher Li <sparse@xxxxxxxxxxx> Index: sparse/expand.c =================================================================== --- sparse.orig/expand.c 2007-02-14 09:28:57.000000000 -0800 +++ sparse/expand.c 2007-02-14 09:44:59.000000000 -0800 @@ -872,7 +872,7 @@ static void verify_nonoverlapping(struct struct expression *b; FOR_EACH_PTR(*list, b) { - if (a && a->ctype->bit_size && bit_offset(a) == bit_offset(b)) { + if (a && a->ctype && a->ctype->bit_size && bit_offset(a) == bit_offset(b)) { sparse_error(a->pos, "Initializer entry defined twice"); info(b->pos, " also defined here"); return; - To unsubscribe from this list: send the line "unsubscribe linux-sparse" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html