diff options
| -rw-r--r-- | net/core/pktgen.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/net/core/pktgen.c b/net/core/pktgen.c index 679b797d06b..fbce4b05a53 100644 --- a/net/core/pktgen.c +++ b/net/core/pktgen.c @@ -887,10 +887,11 @@ static ssize_t pktgen_if_write(struct file *file, i += len; if (debug) { - char tb[count + 1]; - if (copy_from_user(tb, user_buffer, count)) + size_t copy = min(count, 1023); + char tb[copy + 1]; + if (copy_from_user(tb, user_buffer, copy)) return -EFAULT; - tb[count] = 0; + tb[copy] = 0; printk(KERN_DEBUG "pktgen: %s,%lu buffer -:%s:-\n", name, (unsigned long)count, tb); } |