We need to accept msg_iter.type 1(WRITE) which is set in sendto/sendmsg.
Signed-off-by: Ken-ichirou MATSUZAWA <[email protected]>
---
net/netlink/af_netlink.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c
index c03fad0..d8f5151 100644
--- a/net/netlink/af_netlink.c
+++ b/net/netlink/af_netlink.c
@@ -2451,7 +2451,7 @@ static int netlink_sendmsg(struct socket *sock, struct
msghdr *msg, size_t len)
* sendmsg(), but that's what we've got...
*/
if (netlink_tx_is_mmaped(sk) &&
- msg->msg_iter.type == ITER_IOVEC &&
+ !(msg->msg_iter.type & (ITER_KVEC | ITER_BVEC)) &&
msg->msg_iter.nr_segs == 1 &&
msg->msg_iter.iov->iov_base == NULL) {
err = netlink_mmap_sendmsg(sk, msg, dst_portid, dst_group,
--
1.7.10.4
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