Signed-off-by: Al Viro <viro@xxxxxxxxxxxxxxxxxx> --- evaluate.c | 19 ++----------------- 1 files changed, 2 insertions(+), 17 deletions(-) diff --git a/evaluate.c b/evaluate.c index febfad2..2510c2b 100644 --- a/evaluate.c +++ b/evaluate.c @@ -833,16 +833,6 @@ static int is_null_ptr(struct expression *expr) return 1; } -static struct symbol *common_ptr_type(struct expression *l, struct expression *r) -{ - /* NULL expression? Just return the type of the "other side" */ - if (is_null_ptr(r)) - return l->ctype; - if (is_null_ptr(l)) - return r->ctype; - return NULL; -} - /* * Ignore differences in "volatile" and "const"ness when * subtracting pointers @@ -868,13 +858,8 @@ static struct symbol *evaluate_ptr_sub(struct expression *expr, struct expressio ctype = ltype; typediff = type_difference(ltype, rtype, ~MOD_SIZE, ~MOD_SIZE); - if (typediff) { - ctype = common_ptr_type(l, r); - if (!ctype) { - expression_error(expr, "subtraction of different types can't work (%s)", typediff); - return NULL; - } - } + if (typediff) + expression_error(expr, "subtraction of different types can't work (%s)", typediff); examine_symbol_type(ctype); /* Figure out the base type we point to */ -- 1.5.0-rc2.GIT - 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