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IB/usnic: Fix smatch endianness error

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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>
This commit is contained in:
Upinder Malhi 2014-01-23 22:38:04 +00:00 committed by Roland Dreier
parent 38dbfb59d1
commit f809309a25
1 changed files with 8 additions and 1 deletions
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9
drivers/infiniband/hw/usnic/usnic_ib_qp_grp.c
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@ -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);