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authorDan Rosenberg <drosenberg@vsecurity.com>2011-01-10 16:00:54 -0800
committerDavid S. Miller <davem@davemloft.net>2011-01-10 16:00:54 -0800
commit91b5c98c2e062f982423686c77b8bf31f37fa196 (patch)
tree02faff8ec23c12bf139ae6adf501e77417346250 /net/caif
parent80ce3f67e75ffa14ad99b26457a7e9558b8b001a (diff)
caif: don't set connection request param size before copying data
The size field should not be set until after the data is successfully copied in. Signed-off-by: Dan Rosenberg <drosenberg@vsecurity.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/caif')
-rw-r--r--net/caif/caif_socket.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/net/caif/caif_socket.c b/net/caif/caif_socket.c
index 1bf0cf503796..8184c031d028 100644
--- a/net/caif/caif_socket.c
+++ b/net/caif/caif_socket.c
@@ -740,12 +740,12 @@ static int setsockopt(struct socket *sock,
if (cf_sk->sk.sk_protocol != CAIFPROTO_UTIL)
return -ENOPROTOOPT;
lock_sock(&(cf_sk->sk));
- cf_sk->conn_req.param.size = ol;
if (ol > sizeof(cf_sk->conn_req.param.data) ||
copy_from_user(&cf_sk->conn_req.param.data, ov, ol)) {
release_sock(&cf_sk->sk);
return -EINVAL;
}
+ cf_sk->conn_req.param.size = ol;
release_sock(&cf_sk->sk);
return 0;