kconfig: Sync with upstream v4.16

This commit introduces the following upstream changes:

5ae6fcc4bb82 kconfig: fix line number in recursive inclusion error message
1a90ce36c6ef kconfig: Update ncurses package names for menuconfig
bf0bbdcf1003 kconfig: Don't leak choice names during parsing
f4bc1eefc160 kconfig: set SYMBOL_AUTO to the symbol marked with defconfig_list
cd81fc82b93f kconfig: add xstrdup() helper
523ca58b7db2 kconfig: remove const qualifier from sym_expand_string_value()
d717f24d8c68 kconfig: add xrealloc() helper
9e3e10c72536 kconfig: send error messages to stderr
f3ff6fb5db68 kconfig: echo stdin to stdout if either is redirected
d2a04648a5db kconfig: remove check_stdin()
cd58a91def2a kconfig: remove 'config*' pattern from .gitignnore
4f208f392103 kconfig: show '?' prompt even if no help text is available
cb67ab2cd2b8 kconfig: do not write choice values when their dependency becomes n
1b9eda2e4892 kconfig: Warn if help text is blank
cedd55d49dee kconfig: Remove silentoldconfig from help and docs; fix kconfig/conf's help
1ccb27143360 kconfig: make "Selected by:" and "Implied by:" readable
312ee68752fa kconfig: announce removal of oldnoconfig if used
d0fd0428ecf0 kconfig: fix make xconfig when gettext is missing
b53688014e33 kconfig: Clarify menu and 'if' dependency propagation
9d1a9e8bc18b kconfig: Document 'if' flattening logic
d3465af60f44 kconfig: Clarify choice dependency propagation
3e41ba05b6d6 kconfig: Document SYMBOL_OPTIONAL logic
765f4cdef6f8 kconfig: use default 'yy' prefix for lexer and parser
84dd95d4f87a kconfig: make conf_unsaved a local variable of conf_read()
5a3dc717b3c7 kconfig: make xfgets() really static
52e58a3caeba kconfig: make input_mode static
6479f327dea6 kconfig: Warn if there is more than one help text
b92d804a5179 kconfig: drop 'boolean' keyword
df60f4b92d3d kconfig: Remove menu_end_entry()
0735f7e5def2 kconfig: Document important expression functions
05cccce58045 kconfig: Document automatic submenu creation code
7cf33f88e294 kconfig: Fix choice symbol expression leak
5b1374b3b3c2 kconfig: Fix expr_free() E_NOT leak
ae7440ef0c80 kconfig: Fix automatic menu creation mem leak
0724a7c32a54 kconfig: Don't leak main menus during parsing
bc28fe1d5ede kconfig: Don't leak 'option' arguments during parsing
24161a6711c9 kconfig: Don't leak 'source' filenames during parsing
26e47a3c11a2 kconfig: Don't leak symbol names during parsing
29c833061c1d kconfig: generate lexer and parser during build instead of shipping
e3b03bf29d6b kconfig: display recursive dependency resolution hint just once
f77850d3fe0c kconfig: Clean up modules handling and fix crash
fa8cedaef814 kconfig: Clarify expression rewriting
9a826842ff2f kconfig: Rename menu_check_dep() to rewrite_m()
c873443430eb kconfig: Sync zconf.y with zconf.tab.c_shipped
52aede4ba5ef kconfig: Document the 'symbol' struct
33ca1a248663 kconfig: Document the 'menu' struct
2c37e08464a8 kconfig: Warn if choice default is not in choice

Signed-off-by: Chris Packham <judge.packham@gmail.com>

1 files changed, 5 insertions, 5 deletions

diff --git a/kconfig/confdata.c b/kconfig/confdata.c
index 297b079a..df26c7b0 100644
--- a/kconfig/confdata.c
+++ b/kconfig/confdata.c
@@ -28,7 +28,7 @@ static void conf_message(const char *fmt, ...)
 	__attribute__ ((format (printf, 1, 2)));
 
 static const char *conf_filename;
-static int conf_lineno, conf_warnings, conf_unsaved;
+static int conf_lineno, conf_warnings;
 
 const char conf_defname[] = "arch/$ARCH/defconfig";
 
@@ -178,7 +178,7 @@ static int conf_set_sym_val(struct symbol *sym, int def, int def_flags, char *p)
 	case S_HEX:
 	done:
 		if (sym_string_valid(sym, p)) {
-			sym->def[def].val = strdup(p);
+			sym->def[def].val = xstrdup(p);
 			sym->flags |= def_flags;
 		} else {
 			if (def != S_DEF_AUTO)
@@ -201,7 +201,7 @@ static int add_byte(int c, char **lineptr, size_t slen, size_t *n)
 	if (new_size > *n) {
 		new_size += LINE_GROWTH - 1;
 		new_size *= 2;
-		nline = realloc(*lineptr, new_size);
+		nline = xrealloc(*lineptr, new_size);
 		if (!nline)
 			return -1;
 
@@ -290,7 +290,6 @@ load:
 	conf_filename = name;
 	conf_lineno = 0;
 	conf_warnings = 0;
-	conf_unsaved = 0;
 
 	def_flags = SYMBOL_DEF << def;
 	for_all_symbols(i, sym) {
@@ -409,6 +408,7 @@ setsym:
 int conf_read(const char *name)
 {
 	struct symbol *sym;
+	int conf_unsaved = 0;
 	int i;
 
 	sym_set_change_count(0);
@@ -1123,7 +1123,7 @@ void set_all_choice_values(struct symbol *csym)
 bool conf_set_all_new_symbols(enum conf_def_mode mode)
 {
 	struct symbol *sym, *csym;
-	int i, cnt, pby, pty, ptm;	/* pby: probability of boolean  = y
+	int i, cnt, pby, pty, ptm;	/* pby: probability of bool     = y
 					 * pty: probability of tristate = y
 					 * ptm: probability of tristate = m
 					 */