diff options
| -rw-r--r-- | kernel/params.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/kernel/params.c b/kernel/params.c index e265b13..1fc4ac7 100644 --- a/kernel/params.c +++ b/kernel/params.c @@ -356,6 +356,10 @@ int param_set_copystring(const char *val, struct kernel_param *kp) { struct kparam_string *kps = kp->arg; + if (!val) { + printk(KERN_ERR "%s: missing param set value\n", kp->name); + return -EINVAL; + } if (strlen(val)+1 > kps->maxlen) { printk(KERN_ERR "%s: string doesn't fit in %u chars.\n", kp->name, kps->maxlen-1); |
