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RDMA/rtrs-clt: Use bitmask to check sess->flags

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commit aaed465f761700dace9ab39521013cddaae4f5a3 upstream.

We may want to add new flags, so it's better to use bitmask to check flags.

Fixes: 6a98d71dae ("RDMA/rtrs: client: main functionality")
Link: https://lore.kernel.org/r/20201217141915.56989-17-jinpu.wang@cloud.ionos.com
Signed-off-by: Jack Wang <jinpu.wang@cloud.ionos.com>
Signed-off-by: Gioh Kim <gi-oh.kim@cloud.ionos.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Jack Wang 2020-12-17 15:19:12 +01:00 committed by Greg Kroah-Hartman
parent 482157ed20
commit 70123d9989
1 changed files with 7 additions and 7 deletions
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14
drivers/infiniband/ulp/rtrs/rtrs-clt.c
View File

@ -502,7 +502,7 @@ static void rtrs_clt_recv_done(struct rtrs_clt_con *con, struct ib_wc *wc)
int err;
struct rtrs_clt_sess *sess = to_clt_sess(con->c.sess);
WARN_ON(sess->flags != RTRS_MSG_NEW_RKEY_F);
WARN_ON((sess->flags & RTRS_MSG_NEW_RKEY_F) == 0);
iu = container_of(wc->wr_cqe, struct rtrs_iu,
cqe);
err = rtrs_iu_post_recv(&con->c, iu);
@ -522,7 +522,7 @@ static void rtrs_clt_rkey_rsp_done(struct rtrs_clt_con *con, struct ib_wc *wc)
u32 buf_id;
int err;
WARN_ON(sess->flags != RTRS_MSG_NEW_RKEY_F);
WARN_ON((sess->flags & RTRS_MSG_NEW_RKEY_F) == 0);
iu = container_of(wc->wr_cqe, struct rtrs_iu, cqe);
@ -629,12 +629,12 @@ static void rtrs_clt_rdma_done(struct ib_cq *cq, struct ib_wc *wc)
} else if (imm_type == RTRS_HB_MSG_IMM) {
WARN_ON(con->c.cid);
rtrs_send_hb_ack(&sess->s);
if (sess->flags == RTRS_MSG_NEW_RKEY_F)
if (sess->flags & RTRS_MSG_NEW_RKEY_F)
return rtrs_clt_recv_done(con, wc);
} else if (imm_type == RTRS_HB_ACK_IMM) {
WARN_ON(con->c.cid);
sess->s.hb_missed_cnt = 0;
if (sess->flags == RTRS_MSG_NEW_RKEY_F)
if (sess->flags & RTRS_MSG_NEW_RKEY_F)
return rtrs_clt_recv_done(con, wc);
} else {
rtrs_wrn(con->c.sess, "Unknown IMM type %u\n",
@ -662,7 +662,7 @@ static void rtrs_clt_rdma_done(struct ib_cq *cq, struct ib_wc *wc)
WARN_ON(!(wc->wc_flags & IB_WC_WITH_INVALIDATE ||
wc->wc_flags & IB_WC_WITH_IMM));
WARN_ON(wc->wr_cqe->done != rtrs_clt_rdma_done);
if (sess->flags == RTRS_MSG_NEW_RKEY_F) {
if (sess->flags & RTRS_MSG_NEW_RKEY_F) {
if (wc->wc_flags & IB_WC_WITH_INVALIDATE)
return rtrs_clt_recv_done(con, wc);
@ -687,7 +687,7 @@ static int post_recv_io(struct rtrs_clt_con *con, size_t q_size)
struct rtrs_clt_sess *sess = to_clt_sess(con->c.sess);
for (i = 0; i < q_size; i++) {
if (sess->flags == RTRS_MSG_NEW_RKEY_F) {
if (sess->flags & RTRS_MSG_NEW_RKEY_F) {
struct rtrs_iu *iu = &con->rsp_ius[i];
err = rtrs_iu_post_recv(&con->c, iu);
@ -1579,7 +1579,7 @@ static int create_con_cq_qp(struct rtrs_clt_con *con)
sess->queue_depth * 3 + 1);
}
/* alloc iu to recv new rkey reply when server reports flags set */
if (sess->flags == RTRS_MSG_NEW_RKEY_F || con->c.cid == 0) {
if (sess->flags & RTRS_MSG_NEW_RKEY_F || con->c.cid == 0) {
con->rsp_ius = rtrs_iu_alloc(max_recv_wr, sizeof(*rsp),
GFP_KERNEL, sess->s.dev->ib_dev,
DMA_FROM_DEVICE,