diff options
| author | Upinder Malhi <umalhi@cisco.com> | 2014-01-23 22:38:04 +0000 |
|---|---|---|
| committer | Roland Dreier <roland@purestorage.com> | 2014-02-14 09:47:29 -0800 |
| commit | f809309a251a13bd97cc189c3fa428782aab9716 (patch) | |
| tree | bba3c698d20054d8e541313cd925e6e73a0ce30a | |
| parent | 38dbfb59d1175ef458d006556061adeaa8751b72 (diff) | |
IB/usnic: Fix smatch endianness error
Error reported at http://marc.info/?l=linux-rdma&m=138995755801039&w=2
Fix short to int cast for big endian systems.
Signed-off-by: Upinder Malhi <umalhi@cisco.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
| -rw-r--r-- | drivers/infiniband/hw/usnic/usnic_ib_qp_grp.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/infiniband/hw/usnic/usnic_ib_qp_grp.c b/drivers/infiniband/hw/usnic/usnic_ib_qp_grp.c index 7ecc6061f1f4..f8dfd76be89f 100644 --- a/drivers/infiniband/hw/usnic/usnic_ib_qp_grp.c +++ b/drivers/infiniband/hw/usnic/usnic_ib_qp_grp.c @@ -629,6 +629,7 @@ static int qp_grp_id_from_flow(struct usnic_ib_qp_grp_flow *qp_flow, { enum usnic_transport_type trans_type = qp_flow->trans_type; int err; + uint16_t port_num = 0; switch (trans_type) { case USNIC_TRANSPORT_ROCE_CUSTOM: @@ -637,9 +638,15 @@ static int qp_grp_id_from_flow(struct usnic_ib_qp_grp_flow *qp_flow, case USNIC_TRANSPORT_IPV4_UDP: err = usnic_transport_sock_get_addr(qp_flow->udp.sock, NULL, NULL, - (uint16_t *) id); + &port_num); if (err) return err; + /* + * Copy port_num to stack first and then to *id, + * so that the short to int cast works for little + * and big endian systems. + */ + *id = port_num; break; default: usnic_err("Unsupported transport %u\n", trans_type); |