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-rw-r--r--net/can/raw.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/net/can/raw.c b/net/can/raw.c
index ead50c7c0d40..201cbfc6b9ec 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,
573 int fsize = ro->count * sizeof(struct can_filter); 573 int fsize = ro->count * sizeof(struct can_filter);
574 if (len > fsize) 574 if (len > fsize)
575 len = fsize; 575 len = fsize;
576 err = copy_to_user(optval, ro->filter, len); 576 if (copy_to_user(optval, ro->filter, len))
577 err = -EFAULT;
577 } else 578 } else
578 len = 0; 579 len = 0;
579 release_sock(sk); 580 release_sock(sk);