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IB/sa: simplify return code logic for ib_nl_send_msg() 

rdma_nl_multicast() returns either negative error code
or zero if succeeded. Remove unnecessary ret code checks
and reassignments.

Reviewed-by: Kaike Wan <kaike.wan@intel.com>
Signed-off-by: Alex Estrin <alex.estrin@intel.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Reviewed-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
This commit is contained in:
Alex Estrin 2018-09-26 10:02:32 -07:00 committed by Jason Gunthorpe
parent e04951ebee
commit c8b53d0c5e
1 changed files with 2 additions and 11 deletions
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13
drivers/infiniband/core/sa_query.c
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@ -835,7 +835,6 @@ static int ib_nl_send_msg(struct ib_sa_query *query, gfp_t gfp_mask)
struct sk_buff *skb = NULL;
struct nlmsghdr *nlh;
void *data;
int ret = 0;
struct ib_sa_mad *mad;
int len;
@ -862,13 +861,7 @@ static int ib_nl_send_msg(struct ib_sa_query *query, gfp_t gfp_mask)
/* Repair the nlmsg header length */
nlmsg_end(skb, nlh);
ret = rdma_nl_multicast(skb, RDMA_NL_GROUP_LS, gfp_mask);
if (!ret)
ret = len;
else
ret = 0;
return ret;
return rdma_nl_multicast(skb, RDMA_NL_GROUP_LS, gfp_mask);
}
static int ib_nl_make_request(struct ib_sa_query *query, gfp_t gfp_mask)
@ -891,14 +884,12 @@ static int ib_nl_make_request(struct ib_sa_query *query, gfp_t gfp_mask)
spin_unlock_irqrestore(&ib_nl_request_lock, flags);
ret = ib_nl_send_msg(query, gfp_mask);
if (ret <= 0) {
if (ret) {
ret = -EIO;
/* Remove the request */
spin_lock_irqsave(&ib_nl_request_lock, flags);
list_del(&query->list);
spin_unlock_irqrestore(&ib_nl_request_lock, flags);
} else {
ret = 0;
}
return ret;