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path: root/drivers/infiniband/core/verbs.c
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Diffstat (limited to 'drivers/infiniband/core/verbs.c')
-rw-r--r--drivers/infiniband/core/verbs.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/infiniband/core/verbs.c b/drivers/infiniband/core/verbs.c
index 802bdc397a57..30fdc3ae1bbd 100644
--- a/drivers/infiniband/core/verbs.c
+++ b/drivers/infiniband/core/verbs.c
@@ -1613,8 +1613,9 @@ int ib_attach_mcast(struct ib_qp *qp, union ib_gid *gid, u16 lid)
if (!qp->device->attach_mcast)
return -ENOSYS;
- if (gid->raw[0] != 0xff || qp->qp_type != IB_QPT_UD ||
- !is_valid_mcast_lid(qp, lid))
+
+ if (!rdma_is_multicast_addr((struct in6_addr *)gid->raw) ||
+ qp->qp_type != IB_QPT_UD || !is_valid_mcast_lid(qp, lid))
return -EINVAL;
ret = qp->device->attach_mcast(qp, gid, lid);
@@ -1630,8 +1631,9 @@ int ib_detach_mcast(struct ib_qp *qp, union ib_gid *gid, u16 lid)
if (!qp->device->detach_mcast)
return -ENOSYS;
- if (gid->raw[0] != 0xff || qp->qp_type != IB_QPT_UD ||
- !is_valid_mcast_lid(qp, lid))
+
+ if (!rdma_is_multicast_addr((struct in6_addr *)gid->raw) ||
+ qp->qp_type != IB_QPT_UD || !is_valid_mcast_lid(qp, lid))
return -EINVAL;
ret = qp->device->detach_mcast(qp, gid, lid);