diff options
| author | Bart Van Assche <bvanassche@acm.org> | 2013-02-21 18:18:00 +0100 |
|---|---|---|
| committer | Roland Dreier <roland@purestorage.com> | 2013-02-25 18:31:14 +0100 |
| commit | 3780d1f08856f692116bcf026e4acf1c521df1c7 (patch) | |
| tree | 0d7c14403767836e3dae755e836b2dfcf53cde15 /drivers/infiniband | |
| parent | IB/srp: Track connection state properly (diff) | |
| download | linux-3780d1f08856f692116bcf026e4acf1c521df1c7.tar.xz linux-3780d1f08856f692116bcf026e4acf1c521df1c7.zip | |
IB/srp: Avoid sending a task management function needlessly
Do not send a task management function if sending will fail anyway
because either there is no RDMA/RC connection or the QP is in the
error state.
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Acked-by: David Dillow <dave@thedillows.org>
Cc: <stable@vger.kernel.org> # 3.8
Signed-off-by: Roland Dreier <roland@purestorage.com>
Diffstat (limited to 'drivers/infiniband')
| -rw-r--r-- | drivers/infiniband/ulp/srp/ib_srp.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/infiniband/ulp/srp/ib_srp.c b/drivers/infiniband/ulp/srp/ib_srp.c index 94f76b9319c1..263325848462 100644 --- a/drivers/infiniband/ulp/srp/ib_srp.c +++ b/drivers/infiniband/ulp/srp/ib_srp.c @@ -1695,6 +1695,9 @@ static int srp_send_tsk_mgmt(struct srp_target_port *target, struct srp_iu *iu; struct srp_tsk_mgmt *tsk_mgmt; + if (!target->connected || target->qp_in_error) + return -1; + init_completion(&target->tsk_mgmt_done); spin_lock_irq(&target->lock); @@ -1754,8 +1757,6 @@ static int srp_reset_device(struct scsi_cmnd *scmnd) shost_printk(KERN_ERR, target->scsi_host, "SRP reset_device called\n"); - if (target->qp_in_error) - return FAILED; if (srp_send_tsk_mgmt(target, SRP_TAG_NO_REQ, scmnd->device->lun, SRP_TSK_LUN_RESET)) return FAILED; |