kconfig: send error messages to stderr

Web:        https://git.kernel.org/torvalds/c/9e3e10c725360b9d07018cfcd5b7b6b7d325fae5
Commit:     9e3e10c725360b9d07018cfcd5b7b6b7d325fae5
Parent:     f3ff6fb5db68bcd460e9880d5fb4902520dd645b
Refname:    refs/heads/master
Author:     Masahiro Yamada <[email protected]>
AuthorDate: Tue Feb 6 09:34:41 2018 +0900
Committer:  Masahiro Yamada <[email protected]>
CommitDate: Fri Feb 9 04:10:10 2018 +0900

    kconfig: send error messages to stderr
    
    These messages should be directed to stderr.
    
    Signed-off-by: Masahiro Yamada <[email protected]>
    Reviewed-by: Ulf Magnusson <[email protected]>
---
 scripts/kconfig/conf.c   | 10 ++++++----
 scripts/kconfig/expr.c   |  4 ++--
 scripts/kconfig/symbol.c |  2 +-
 scripts/kconfig/zconf.l  | 27 +++++++++++++++------------
 4 files changed, 24 insertions(+), 19 deletions(-)

diff --git a/scripts/kconfig/conf.c b/scripts/kconfig/conf.c
index fe59f6df4b45..822dc51923d6 100644
--- a/scripts/kconfig/conf.c
+++ b/scripts/kconfig/conf.c
@@ -548,7 +548,7 @@ int main(int ac, char **av)
 		}
 	}
 	if (ac == optind) {
-		printf(_("%s: Kconfig file missing\n"), av[0]);
+		fprintf(stderr, _("%s: Kconfig file missing\n"), av[0]);
 		conf_usage(progname);
 		exit(1);
 	}
@@ -573,9 +573,11 @@ int main(int ac, char **av)
 		if (!defconfig_file)
 			defconfig_file = conf_get_default_confname();
 		if (conf_read(defconfig_file)) {
-			printf(_("***\n"
-				"*** Can't find default configuration \"%s\"!\n"
-				"***\n"), defconfig_file);
+			fprintf(stderr,
+				_("***\n"
+				  "*** Can't find default configuration \"%s\"!\n"
+				  "***\n"),
+				defconfig_file);
 			exit(1);
 		}
 		break;
diff --git a/scripts/kconfig/expr.c b/scripts/kconfig/expr.c
index 2ba332b3fed7..d45381986ac7 100644
--- a/scripts/kconfig/expr.c
+++ b/scripts/kconfig/expr.c
@@ -94,7 +94,7 @@ struct expr *expr_copy(const struct expr *org)
 		e->right.expr = expr_copy(org->right.expr);
 		break;
 	default:
-		printf("can't copy type %d\n", e->type);
+		fprintf(stderr, "can't copy type %d\n", e->type);
 		free(e);
 		e = NULL;
 		break;
@@ -127,7 +127,7 @@ void expr_free(struct expr *e)
 		expr_free(e->right.expr);
 		break;
 	default:
-		printf("how to free type %d?\n", e->type);
+		fprintf(stderr, "how to free type %d?\n", e->type);
 		break;
 	}
 	free(e);
diff --git a/scripts/kconfig/symbol.c b/scripts/kconfig/symbol.c
index 13f7fdfe328d..c4409ee7fee2 100644
--- a/scripts/kconfig/symbol.c
+++ b/scripts/kconfig/symbol.c
@@ -1221,7 +1221,7 @@ static struct symbol *sym_check_expr_deps(struct expr *e)
 	default:
 		break;
 	}
-	printf("Oops! How to check %d?\n", e->type);
+	fprintf(stderr, "Oops! How to check %d?\n", e->type);
 	return NULL;
 }
 
diff --git a/scripts/kconfig/zconf.l b/scripts/kconfig/zconf.l
index 07e074dc68a1..0ba4900050c1 100644
--- a/scripts/kconfig/zconf.l
+++ b/scripts/kconfig/zconf.l
@@ -184,7 +184,9 @@ n	[A-Za-z0-9_-]
 			append_string(yytext, 1);
 	}
 	\n	{
-		printf("%s:%d:warning: multi-line strings not supported\n", zconf_curname(), zconf_lineno());
+		fprintf(stderr,
+			"%s:%d:warning: multi-line strings not supported\n",
+			zconf_curname(), zconf_lineno());
 		current_file->lineno++;
 		BEGIN(INITIAL);
 		return T_EOL;
@@ -294,7 +296,7 @@ void zconf_initscan(const char *name)
 {
 	yyin = zconf_fopen(name);
 	if (!yyin) {
-		printf("can't find file %s\n", name);
+		fprintf(stderr, "can't find file %s\n", name);
 		exit(1);
 	}
 
@@ -315,8 +317,8 @@ void zconf_nextfile(const char *name)
 	current_buf->state = YY_CURRENT_BUFFER;
 	yyin = zconf_fopen(file->name);
 	if (!yyin) {
-		printf("%s:%d: can't open file \"%s\"\n",
-		    zconf_curname(), zconf_lineno(), file->name);
+		fprintf(stderr, "%s:%d: can't open file \"%s\"\n",
+			zconf_curname(), zconf_lineno(), file->name);
 		exit(1);
 	}
 	yy_switch_to_buffer(yy_create_buffer(yyin, YY_BUF_SIZE));
@@ -325,20 +327,21 @@ void zconf_nextfile(const char *name)
 
 	for (iter = current_file->parent; iter; iter = iter->parent ) {
 		if (!strcmp(current_file->name,iter->name) ) {
-			printf("%s:%d: recursive inclusion detected. "
-			       "Inclusion path:\n  current file : '%s'\n",
-			       zconf_curname(), zconf_lineno(),
-			       zconf_curname());
+			fprintf(stderr,
+				"%s:%d: recursive inclusion detected. "
+				"Inclusion path:\n  current file : '%s'\n",
+				zconf_curname(), zconf_lineno(),
+				zconf_curname());
 			iter = current_file->parent;
 			while (iter && \
 			       strcmp(iter->name,current_file->name)) {
-				printf("  included from: '%s:%d'\n",
-				       iter->name, iter->lineno-1);
+				fprintf(stderr, "  included from: '%s:%d'\n",
+					iter->name, iter->lineno-1);
 				iter = iter->parent;
 			}
 			if (iter)
-				printf("  included from: '%s:%d'\n",
-				       iter->name, iter->lineno+1);
+				fprintf(stderr, "  included from: '%s:%d'\n",
+					iter->name, iter->lineno+1);
 			exit(1);
 		}
 	}
--
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