diff options
| author | Bart Van Assche <bart.vanassche@wdc.com> | 2018-06-27 01:24:48 +0300 |
|---|---|---|
| committer | Jason Gunthorpe <jgg@mellanox.com> | 2018-06-29 23:35:45 +0300 |
| commit | e620ebfc228dcbef7519e3d16f43c6c6f1a1d0cb (patch) | |
| tree | 97d2f3b7c4f205a2c4ee606d5bfd75fac957754a /drivers/infiniband/ulp/srpt | |
| parent | 68348441ef7d15e6a902c956e139723c99e065ed (diff) | |
| download | linux-e620ebfc228dcbef7519e3d16f43c6c6f1a1d0cb.tar.xz | |
IB/srpt: Support HCAs with more than two ports
Since there are adapters that have four ports, increase the size of
the srpt_device.port[] array. This patch avoids that the following
warning is hit with quad port Chelsio adapters:
WARN_ON(sdev->device->phys_port_cnt > ARRAY_SIZE(sdev->port));
Reported-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Bart Van Assche <bart.vanassche@wdc.com>
Cc: Steve Wise <swise@opengridcomputing.com>
Cc: Christoph Hellwig <hch@infradead.org>
Cc: <stable@vger.kernel.org>
Reviewed-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Diffstat (limited to 'drivers/infiniband/ulp/srpt')
| -rw-r--r-- | drivers/infiniband/ulp/srpt/ib_srpt.c | 5 | ||||
| -rw-r--r-- | drivers/infiniband/ulp/srpt/ib_srpt.h | 4 |
2 files changed, 4 insertions, 5 deletions
diff --git a/drivers/infiniband/ulp/srpt/ib_srpt.c b/drivers/infiniband/ulp/srpt/ib_srpt.c index 1b0b285a0ae0..36d9fab7c998 100644 --- a/drivers/infiniband/ulp/srpt/ib_srpt.c +++ b/drivers/infiniband/ulp/srpt/ib_srpt.c @@ -2970,7 +2970,8 @@ static void srpt_add_one(struct ib_device *device) pr_debug("device = %p\n", device); - sdev = kzalloc(sizeof(*sdev), GFP_KERNEL); + sdev = kzalloc(struct_size(sdev, port, device->phys_port_cnt), + GFP_KERNEL); if (!sdev) goto err; @@ -3024,8 +3025,6 @@ static void srpt_add_one(struct ib_device *device) srpt_event_handler); ib_register_event_handler(&sdev->event_handler); - WARN_ON(sdev->device->phys_port_cnt > ARRAY_SIZE(sdev->port)); - for (i = 1; i <= sdev->device->phys_port_cnt; i++) { sport = &sdev->port[i - 1]; INIT_LIST_HEAD(&sport->nexus_list); diff --git a/drivers/infiniband/ulp/srpt/ib_srpt.h b/drivers/infiniband/ulp/srpt/ib_srpt.h index 2361483476a0..444dfd7281b5 100644 --- a/drivers/infiniband/ulp/srpt/ib_srpt.h +++ b/drivers/infiniband/ulp/srpt/ib_srpt.h @@ -396,9 +396,9 @@ struct srpt_port { * @sdev_mutex: Serializes use_srq changes. * @use_srq: Whether or not to use SRQ. * @ioctx_ring: Per-HCA SRQ. - * @port: Information about the ports owned by this HCA. * @event_handler: Per-HCA asynchronous IB event handler. * @list: Node in srpt_dev_list. + * @port: Information about the ports owned by this HCA. */ struct srpt_device { struct ib_device *device; @@ -410,9 +410,9 @@ struct srpt_device { struct mutex sdev_mutex; bool use_srq; struct srpt_recv_ioctx **ioctx_ring; - struct srpt_port port[2]; struct ib_event_handler event_handler; struct list_head list; + struct srpt_port port[]; }; #endif /* IB_SRPT_H */ |