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authorDave Airlie <airlied@redhat.com>2016-07-02 15:56:01 +1000
committerDave Airlie <airlied@redhat.com>2016-07-02 15:56:01 +1000
commit542d972221e024681b502033154f917c1455469f (patch)
tree1c7c1be768f6e1b496a3edad6b105804a8d05c57 /drivers/infiniband/sw/rdmavt/qp.c
parent583fa4e02775b26d76771d4e1ddc6f10ba005ef2 (diff)
parent4c2e07c6a29e0129e975727b9f57eede813eea85 (diff)
downloadtalos-op-linux-542d972221e024681b502033154f917c1455469f.tar.gz
talos-op-linux-542d972221e024681b502033154f917c1455469f.zip
Back-merge tag 'v4.7-rc5' into drm-next
Linux 4.7-rc5 The fsl-dcu pull needs -rc3 so go to -rc5 for now.
Diffstat (limited to 'drivers/infiniband/sw/rdmavt/qp.c')
-rw-r--r--drivers/infiniband/sw/rdmavt/qp.c20
1 files changed, 11 insertions, 9 deletions
diff --git a/drivers/infiniband/sw/rdmavt/qp.c b/drivers/infiniband/sw/rdmavt/qp.c
index 5fa4d4d81ee0..41ba7e9cadaa 100644
--- a/drivers/infiniband/sw/rdmavt/qp.c
+++ b/drivers/infiniband/sw/rdmavt/qp.c
@@ -369,8 +369,8 @@ static int alloc_qpn(struct rvt_dev_info *rdi, struct rvt_qpn_table *qpt,
/* wrap to first map page, invert bit 0 */
offset = qpt->incr | ((offset & 1) ^ 1);
}
- /* there can be no bits at shift and below */
- WARN_ON(offset & (rdi->dparms.qos_shift - 1));
+ /* there can be no set bits in low-order QoS bits */
+ WARN_ON(offset & (BIT(rdi->dparms.qos_shift) - 1));
qpn = mk_qpn(qpt, map, offset);
}
@@ -502,6 +502,12 @@ static void rvt_remove_qp(struct rvt_dev_info *rdi, struct rvt_qp *qp)
*/
static void rvt_reset_qp(struct rvt_dev_info *rdi, struct rvt_qp *qp,
enum ib_qp_type type)
+ __releases(&qp->s_lock)
+ __releases(&qp->s_hlock)
+ __releases(&qp->r_lock)
+ __acquires(&qp->r_lock)
+ __acquires(&qp->s_hlock)
+ __acquires(&qp->s_lock)
{
if (qp->state != IB_QPS_RESET) {
qp->state = IB_QPS_RESET;
@@ -570,12 +576,6 @@ static void rvt_reset_qp(struct rvt_dev_info *rdi, struct rvt_qp *qp,
qp->s_ssn = 1;
qp->s_lsn = 0;
qp->s_mig_state = IB_MIG_MIGRATED;
- if (qp->s_ack_queue)
- memset(
- qp->s_ack_queue,
- 0,
- rvt_max_atomic(rdi) *
- sizeof(*qp->s_ack_queue));
qp->r_head_ack_queue = 0;
qp->s_tail_ack_queue = 0;
qp->s_num_rd_atomic = 0;
@@ -699,8 +699,10 @@ struct ib_qp *rvt_create_qp(struct ib_pd *ibpd,
* initialization that is needed.
*/
priv = rdi->driver_f.qp_priv_alloc(rdi, qp, gfp);
- if (!priv)
+ if (IS_ERR(priv)) {
+ ret = priv;
goto bail_qp;
+ }
qp->priv = priv;
qp->timeout_jiffies =
usecs_to_jiffies((4096UL * (1UL << qp->timeout)) /
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