The caller of srp_ib_lookup_path() is responsible for holding a reference
on the SCSI host. That means that commit 8a0d18c62121 was not necessary.
Hence revert it.
Signed-off-by: Bart Van Assche <bart.vanassche@xxxxxxx>
---
drivers/infiniband/ulp/srp/ib_srp.c | 25 ++++++-------------------
1 file changed, 6 insertions(+), 19 deletions(-)
diff --git a/drivers/infiniband/ulp/srp/ib_srp.c b/drivers/infiniband/ulp/srp/ib_srp.c
index 4a1a489ce8bb..4021d608fe85 100644
--- a/drivers/infiniband/ulp/srp/ib_srp.c
+++ b/drivers/infiniband/ulp/srp/ib_srp.c
@@ -765,19 +765,12 @@ static void srp_path_rec_completion(int status,
static int srp_ib_lookup_path(struct srp_rdma_ch *ch)
{
struct srp_target_port *target = ch->target;
- int ret = -ENODEV;
+ int ret;
ch->ib_cm.path.numb_path = 1;
init_completion(&ch->done);
- /*
- * Avoid that the SCSI host can be removed by srp_remove_target()
- * before srp_path_rec_completion() is called.
- */
- if (!scsi_host_get(target->scsi_host))
- goto out;
-
ch->ib_cm.path_query_id = ib_sa_path_rec_get(&srp_sa_client,
target->srp_host->srp_dev->dev,
target->srp_host->port,
@@ -791,27 +784,21 @@ static int srp_ib_lookup_path(struct srp_rdma_ch *ch)
GFP_KERNEL,
srp_path_rec_completion,
ch, &ch->ib_cm.path_query);
- ret = ch->ib_cm.path_query_id;
- if (ret < 0)
- goto put;
+ if (ch->ib_cm.path_query_id < 0)
+ return ch->ib_cm.path_query_id;
ret = wait_for_completion_interruptible(&ch->done);
if (ret < 0)
- goto put;
+ return ret;
- ret = ch->status;
- if (ret < 0)
+ if (ch->status < 0)
shost_printk(KERN_WARNING, target->scsi_host,
PFX "Path record query failed: sgid %pI6, dgid %pI6, pkey %#04x, service_id %#16llx\n",
ch->ib_cm.path.sgid.raw, ch->ib_cm.path.dgid.raw,
be16_to_cpu(target->ib_cm.pkey),
be64_to_cpu(target->ib_cm.service_id));
-put:
- scsi_host_put(target->scsi_host);
-
-out:
- return ret;
+ return ch->status;
}
static int srp_rdma_lookup_path(struct srp_rdma_ch *ch)
--
2.16.2
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