| Message ID | 5541EE80.6070505@sandisk.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
On 4/30/2015 11:57 AM, Bart Van Assche wrote: > 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 > 34aa654ecb8e). > > Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com> > Cc: Sagi Grimberg <sagig@mellanox.com> > Cc: Sebastian Parschauer <sebastian.riemer@profitbricks.com> > Cc: <stable@vger.kernel.org> #v3.19 > --- > drivers/infiniband/ulp/srp/ib_srp.c | 13 +++++-------- > 1 file changed, 5 insertions(+), 8 deletions(-) > > diff --git a/drivers/infiniband/ulp/srp/ib_srp.c b/drivers/infiniband/ulp/srp/ib_srp.c > index 918814c..5ce6cfd 100644 > --- a/drivers/infiniband/ulp/srp/ib_srp.c > +++ b/drivers/infiniband/ulp/srp/ib_srp.c > @@ -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; > } > > Looks good. Reviewed-by: Sagi Grimberg <sagig@mellanox.com> -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/drivers/infiniband/ulp/srp/ib_srp.c b/drivers/infiniband/ulp/srp/ib_srp.c index 918814c..5ce6cfd 100644 --- a/drivers/infiniband/ulp/srp/ib_srp.c +++ b/drivers/infiniband/ulp/srp/ib_srp.c @@ -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; }
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 34aa654ecb8e). Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com> Cc: Sagi Grimberg <sagig@mellanox.com> Cc: Sebastian Parschauer <sebastian.riemer@profitbricks.com> Cc: <stable@vger.kernel.org> #v3.19 --- drivers/infiniband/ulp/srp/ib_srp.c | 13 +++++-------- 1 file changed, 5 insertions(+), 8 deletions(-)