From: Kangjie Lu <kjlu@umn.edu>
To: kjlu@umn.edu
Cc: pakki001@umn.edu, Doug Ledford <dledford@redhat.com>,
Jason Gunthorpe <jgg@ziepe.ca>, Leon Romanovsky <leon@kernel.org>,
Parav Pandit <parav@mellanox.com>,
Dennis Dalessandro <dennis.dalessandro@intel.com>,
Artemy Kovalyov <artemyko@mellanox.com>,
Alex Estrin <alex.estrin@intel.com>,
linux-rdma@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: [PATCH] infiniband: add checks for the status of nla_put
Date: Tue, 25 Dec 2018 20:11:39 -0600 [thread overview]
Message-ID: <20181226021141.71538-1-kjlu@umn.edu> (raw)
The fix inserts multiple checks for nla_put, and issues warnings if it
fails.
Signed-off-by: Kangjie Lu <kjlu@umn.edu>
---
drivers/infiniband/core/sa_query.c | 39 ++++++++++++++++++------------
1 file changed, 24 insertions(+), 15 deletions(-)
diff --git a/drivers/infiniband/core/sa_query.c b/drivers/infiniband/core/sa_query.c
index be5ba5e15496..0e5d7a6dde36 100644
--- a/drivers/infiniband/core/sa_query.c
+++ b/drivers/infiniband/core/sa_query.c
@@ -775,28 +775,37 @@ static void ib_nl_set_path_rec_attrs(struct sk_buff *skb,
/* Now build the attributes */
if (comp_mask & IB_SA_PATH_REC_SERVICE_ID) {
val64 = be64_to_cpu(sa_rec->service_id);
- nla_put(skb, RDMA_NLA_F_MANDATORY | LS_NLA_TYPE_SERVICE_ID,
- sizeof(val64), &val64);
+ if (nla_put(skb, RDMA_NLA_F_MANDATORY | LS_NLA_TYPE_SERVICE_ID,
+ sizeof(val64), &val64))
+ pr_warn("nla_put failed\n");
+ }
+ if (comp_mask & IB_SA_PATH_REC_DGID) {
+ if (nla_put(skb, RDMA_NLA_F_MANDATORY | LS_NLA_TYPE_DGID,
+ sizeof(sa_rec->dgid), &sa_rec->dgid))
+ pr_warn("nla_put failed\n");
+ }
+ if (comp_mask & IB_SA_PATH_REC_SGID) {
+ if (nla_put(skb, RDMA_NLA_F_MANDATORY | LS_NLA_TYPE_SGID,
+ sizeof(sa_rec->sgid), &sa_rec->sgid))
+ pr_warn("nla_put failed\n");
+ }
+ if (comp_mask & IB_SA_PATH_REC_TRAFFIC_CLASS) {
+ if (nla_put(skb, RDMA_NLA_F_MANDATORY | LS_NLA_TYPE_TCLASS,
+ sizeof(sa_rec->traffic_class), &sa_rec->traffic_class))
+ pr_warn("nla_put failed\n");
}
- if (comp_mask & IB_SA_PATH_REC_DGID)
- nla_put(skb, RDMA_NLA_F_MANDATORY | LS_NLA_TYPE_DGID,
- sizeof(sa_rec->dgid), &sa_rec->dgid);
- if (comp_mask & IB_SA_PATH_REC_SGID)
- nla_put(skb, RDMA_NLA_F_MANDATORY | LS_NLA_TYPE_SGID,
- sizeof(sa_rec->sgid), &sa_rec->sgid);
- if (comp_mask & IB_SA_PATH_REC_TRAFFIC_CLASS)
- nla_put(skb, RDMA_NLA_F_MANDATORY | LS_NLA_TYPE_TCLASS,
- sizeof(sa_rec->traffic_class), &sa_rec->traffic_class);
if (comp_mask & IB_SA_PATH_REC_PKEY) {
val16 = be16_to_cpu(sa_rec->pkey);
- nla_put(skb, RDMA_NLA_F_MANDATORY | LS_NLA_TYPE_PKEY,
- sizeof(val16), &val16);
+ if (nla_put(skb, RDMA_NLA_F_MANDATORY | LS_NLA_TYPE_PKEY,
+ sizeof(val16), &val16))
+ pr_warn("nla_put failed\n");
}
if (comp_mask & IB_SA_PATH_REC_QOS_CLASS) {
val16 = be16_to_cpu(sa_rec->qos_class);
- nla_put(skb, RDMA_NLA_F_MANDATORY | LS_NLA_TYPE_QOS_CLASS,
- sizeof(val16), &val16);
+ if (nla_put(skb, RDMA_NLA_F_MANDATORY | LS_NLA_TYPE_QOS_CLASS,
+ sizeof(val16), &val16))
+ pr_warn("nla_put failed\n");
}
}
--
2.17.2 (Apple Git-113)
next reply other threads:[~2018-12-26 2:12 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-12-26 2:11 Kangjie Lu [this message]
2018-12-26 19:49 ` Leon Romanovsky
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