diff options
Diffstat (limited to 'net/can')
| -rw-r--r-- | net/can/raw.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/net/can/raw.c b/net/can/raw.c index ead50c7c0d4..201cbfc6b9e 100644 --- a/net/can/raw.c +++ b/net/can/raw.c @@ -573,7 +573,8 @@ static int raw_getsockopt(struct socket *sock, int level, int optname, int fsize = ro->count * sizeof(struct can_filter); if (len > fsize) len = fsize; - err = copy_to_user(optval, ro->filter, len); + if (copy_to_user(optval, ro->filter, len)) + err = -EFAULT; } else len = 0; release_sock(sk); |