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IB/srp: Remove an extraneous scsi_host_put() from an error path 

Fix a scsi_get_host() / scsi_host_put() imbalance in the error
path of srp_create_target(). See also patch "IB/srp: Avoid that
I/O hangs due to a cable pull during LUN scanning" (commit ID
34aa654ecb).

Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com>
Reviewed-by: Sagi Grimberg <sagig@mellanox.com>
Cc: Sebastian Parschauer <sebastian.riemer@profitbricks.com>
Cc: <stable@vger.kernel.org> #v3.19
Signed-off-by: Doug Ledford <dledford@redhat.com>
This commit is contained in:
Bart Van Assche 2015-05-18 13:23:14 +02:00 committed by Doug Ledford
parent 535fb90622
commit fb49c8bbaa
1 changed files with 5 additions and 8 deletions
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13
drivers/infiniband/ulp/srp/ib_srp.c
View File

@ -3172,11 +3172,11 @@ static ssize_t srp_create_target(struct device *dev,
ret = srp_parse_options(buf, target);
if (ret)
goto err;
goto out;
ret = scsi_init_shared_tag_map(target_host, target_host->can_queue);
if (ret)
goto err;
goto out;
target->req_ring_size = target->queue_size - SRP_TSK_MGMT_SQ_SIZE;
@ -3187,7 +3187,7 @@ static ssize_t srp_create_target(struct device *dev,
be64_to_cpu(target->ioc_guid),
be64_to_cpu(target->initiator_ext));
ret = -EEXIST;
goto err;
goto out;
}
if (!srp_dev->has_fmr && !srp_dev->has_fr && !target->allow_ext_sg &&
@ -3208,7 +3208,7 @@ static ssize_t srp_create_target(struct device *dev,
spin_lock_init(&target->lock);
ret = ib_query_gid(ibdev, host->port, 0, &target->sgid);
if (ret)
goto err;
goto out;
ret = -ENOMEM;
target->ch_count = max_t(unsigned, num_online_nodes(),
@ -3219,7 +3219,7 @@ static ssize_t srp_create_target(struct device *dev,
target->ch = kcalloc(target->ch_count, sizeof(*target->ch),
GFP_KERNEL);
if (!target->ch)
goto err;
goto out;
node_idx = 0;
for_each_online_node(node) {
@ -3315,9 +3315,6 @@ err_disconnect:
}
kfree(target->ch);
err:
scsi_host_put(target_host);
goto out;
}