Commit a61b2dfd authored by Sam Ravnborg's avatar Sam Ravnborg
Browse files

kbuild: fix segmentation fault in modpost 



If modpost was called manually with filenames without '/'
then modpost would segfault.

Signed-off-by: default avatarSam Ravnborg <sam@ravnborg.org>
parent 9bf8cb9b

scripts/mod/modpost.c

+6 −2
Original line number Diff line number Diff line
@@ -1345,6 +1345,7 @@ static void add_depends(struct buffer *b, struct module *mod, 
	buf_printf(b, "__attribute__((section(\".modinfo\"))) =\n");

	buf_printf(b, "\"depends=");

	for (s = mod->unres; s; s = s->next) {

		const char *p;

		if (!s->module)

			continue;
@@ -1352,8 +1353,11 @@ static void add_depends(struct buffer *b, struct module *mod, 
			continue;



		s->module->seen = 1;

		buf_printf(b, "%s%s", first ? "" : ",",

			   strrchr(s->module->name, '/') + 1);

		if ((p = strrchr(s->module->name, '/')) != NULL)

			p++;

		else

			p = s->module->name;

		buf_printf(b, "%s%s", first ? "" : ",", p);

		first = 0;

	}

	buf_printf(b, "\";\n");