can: avoids a false warning
authorEric Dumazet <eric.dumazet@gmail.com>
Fri, 9 Apr 2010 23:47:31 +0000 (23:47 +0000)
committerDavid S. Miller <davem@davemloft.net>
Tue, 13 Apr 2010 10:03:14 +0000 (03:03 -0700)
At this point optlen == sizeof(sfilter) but some compilers are dumb.

Reported-by: Németh Márton <nm127@freemail.h
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Acked-by: Oliver Hartkopp <oliver@hartkopp.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
net/can/raw.c

index 3a7dffb6519ce9083b876b64f823cffcb1020c3d..da99cf153b33737ce45a06e71fc89037b96096b3 100644 (file)
@@ -445,7 +445,7 @@ static int raw_setsockopt(struct socket *sock, int level, int optname,
                                return -EFAULT;
                        }
                } else if (count == 1) {
-                       if (copy_from_user(&sfilter, optval, optlen))
+                       if (copy_from_user(&sfilter, optval, sizeof(sfilter)))
                                return -EFAULT;
                }