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>

1 files changed, 2 insertions, 2 deletions

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);