kconfig: send error messages to stderr

These messages should be directed to stderr.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Reviewed-by: Ulf Magnusson <ulfalizer@gmail.com>

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);
                 }
         }