From mboxrd@z Thu Jan 1 00:00:00 1970 From: Govindarajulu Varadarajan Subject: [PATCH v2 2/2] usnic: do not ignore return value of __ethtool_get_link_ksettings Date: Thu, 20 Jul 2017 11:23:40 -0700 Message-ID: <20170720182340.28864-2-gvaradar@cisco.com> References: <20170720182340.28864-1-gvaradar@cisco.com> Return-path: In-Reply-To: <20170720182340.28864-1-gvaradar-FYB4Gu1CFyUAvxtiuMwx3w@public.gmane.org> Sender: linux-rdma-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: leon-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org, linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, dledford-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org, sean.hefty-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org, hal.rosenstock-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org, benve-FYB4Gu1CFyUAvxtiuMwx3w@public.gmane.org Cc: Govindarajulu Varadarajan List-Id: linux-rdma@vger.kernel.org Do not ignore the return value of the caller. Signed-off-by: Govindarajulu Varadarajan --- v2: Do not initialize err as it is over written later drivers/infiniband/hw/usnic/usnic_ib_verbs.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/drivers/infiniband/hw/usnic/usnic_ib_verbs.c b/drivers/infiniband/hw/usnic/usnic_ib_verbs.c index 03002bac93e7..f7be74740b3f 100644 --- a/drivers/infiniband/hw/usnic/usnic_ib_verbs.c +++ b/drivers/infiniband/hw/usnic/usnic_ib_verbs.c @@ -327,13 +327,16 @@ int usnic_ib_query_port(struct ib_device *ibdev, u8 port, { struct usnic_ib_dev *us_ibdev = to_usdev(ibdev); struct ethtool_link_ksettings cmd; + int err; usnic_dbg("\n"); mutex_lock(&us_ibdev->usdev_lock); rtnl_lock(); - __ethtool_get_link_ksettings(us_ibdev->netdev, &cmd); + err = __ethtool_get_link_ksettings(us_ibdev->netdev, &cmd); rtnl_unlock(); + if (err) + goto out; /* props being zeroed by the caller, avoid zeroing it here */ props->lid = 0; @@ -364,9 +367,10 @@ int usnic_ib_query_port(struct ib_device *ibdev, u8 port, /* Userspace will adjust for hdrs */ props->max_msg_sz = us_ibdev->ufdev->mtu; props->max_vl_num = 1; +out: mutex_unlock(&us_ibdev->usdev_lock); - return 0; + return err; } int usnic_ib_query_qp(struct ib_qp *qp, struct ib_qp_attr *qp_attr, -- 2.13.3 -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html