kconfig: add fflush() before ferror() check

As David Laight pointed out, there is not much point in calling ferror() unless you call fflush() first.

Masahiro Yamada committed 4 years ago

Commit 868653f1 parent 5c816641 file · +2 −0Browse files

Unified · Split

@@ -979,6 +979,7 @@ static int conf_write_autoconf_cmd(const char *autoconf_name) · 978 unmodified lines
979	979
980	980	fprintf(out, "\n$(deps_config): ;\n");
981	981
	982	+ fflush(out);
982	983	ret = ferror(out); /* error check for all fprintf() calls */
983	984	fclose(out);
984	985	if (ret)
@@ -1097,6 +1098,7 @@ static int __conf_write_autoconf(const char *filename, · 112 unmodified lines
1097	1098	if ((sym->flags & SYMBOL_WRITE) && sym->name)
1098	1099	print_symbol(file, sym);
1099	1100
	1101	+ fflush(file);
1100	1102	/* check possible errors in conf_write_heading() and print_symbol() */
1101	1103	ret = ferror(file);
1102	1104	fclose(file);