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unbreak allmodconfig KCONFIG_ALLCONFIG=...

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Prior to 3.13 make allmodconfig KCONFIG_ALLCONFIG=/dev/null used
to be equivalent to make allmodconfig; these days it hardwires MODULES to n.
In fact, any KCONFIG_ALLCONFIG that doesn't set MODULES explicitly is
treated as if it set it to n.

	Regression had been introduced by commit cfa98f ("kconfig: do not
override symbols already set"); what happens is that conf_read_simple()
does sym_calc_value(modules_sym) on exit, which leaves SYMBOL_VALID set and
has conf_set_all_new_symbols() skip modules_sym.

	It's pretty easy to fix - simply move that call of sym_calc_value()
into the callers, except for the ones in KCONFIG_ALLCONFIG handling.
Objections?

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Fixes: cfa98f2e0a ("kconfig: do not override symbols already set")
Signed-off-by: Michal Marek <mmarek@suse.com>
This commit is contained in:
Al Viro 2016-01-14 18:13:49 +00:00 committed by Michal Marek
parent 42f9d3c688
commit 6b87b70c53
1 changed files with 7 additions and 5 deletions
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12
scripts/kconfig/confdata.c
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@ -267,10 +267,8 @@ int conf_read_simple(const char *name, int def)
if (in)
goto load;
sym_add_change_count(1);
if (!sym_defconfig_list) {
sym_calc_value(modules_sym);
if (!sym_defconfig_list)
return 1;
}
for_all_defaults(sym_defconfig_list, prop) {
if (expr_calc_value(prop->visible.expr) == no ||
@ -403,7 +401,6 @@ int conf_read_simple(const char *name, int def)
}
free(line);
fclose(in);
sym_calc_value(modules_sym);
return 0;
}
@ -414,8 +411,12 @@ int conf_read(const char *name)
sym_set_change_count(0);
if (conf_read_simple(name, S_DEF_USER))
if (conf_read_simple(name, S_DEF_USER)) {
sym_calc_value(modules_sym);
return 1;
}
sym_calc_value(modules_sym);
for_all_symbols(i, sym) {
sym_calc_value(sym);
@ -846,6 +847,7 @@ static int conf_split_config(void)
name = conf_get_autoconfig_name();
conf_read_simple(name, S_DEF_AUTO);
sym_calc_value(modules_sym);
if (chdir("include/config"))
return 1;