[PATCH] ensure NULL deref can't possibly happen in is_exported()

[cascardo/linux.git] / kernel / module.c

diff --git a/kernel/module.c b/kernel/module.c
index bbe0486..d75275d 100644 (file)
--- a/kernel/module.c
+++ b/kernel/module.c
@@ -1326,7 +1326,7 @@ int is_exported(const char *name, const struct module *mod)
        if (!mod && lookup_symbol(name, __start___ksymtab, __stop___ksymtab))
                return 1;
        else
-               if (lookup_symbol(name, mod->syms, mod->syms + mod->num_syms))
+               if (mod && lookup_symbol(name, mod->syms, mod->syms + mod->num_syms))
                        return 1;
                else
                        return 0;