diff options
| -rw-r--r-- | kernel/module.c | 16 |
1 files changed, 9 insertions, 7 deletions
diff --git a/kernel/module.c b/kernel/module.c index c8da2a59ebf7..9e8c9305bba9 100644 --- a/kernel/module.c +++ b/kernel/module.c @@ -301,23 +301,25 @@ static bool sig_enforce = false; static int param_set_bool_enable_only(const char *val, const struct kernel_param *kp) { - int err; - bool test; + int err = 0; + bool new_value; + bool orig_value = *(bool *)kp->arg; struct kernel_param dummy_kp = *kp; - dummy_kp.arg = &test; + dummy_kp.arg = &new_value; err = param_set_bool(val, &dummy_kp); if (err) return err; /* Don't let them unset it once it's set! */ - if (!test && sig_enforce) + if (!new_value && orig_value) return -EROFS; - if (test) - sig_enforce = true; - return 0; + if (new_value) + err = param_set_bool(val, kp); + + return err; } static const struct kernel_param_ops param_ops_bool_enable_only = { |