kbuild: fix segmentation fault in modpost

If modpost was called manually with filenames without '/' then modpost would segfault. Signed-off-by: Sam Ravnborg <[email protected]>
majek · May 2, 2007 · a61b2df · a61b2df
1 parent 9bf8cb9
commit a61b2df
Showing 1 changed file with 6 additions and 2 deletions.
diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c
@@ -1345,15 +1345,19 @@ 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;
 
 		if (s->module->seen)
 			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");