Messages in this thread Patch in this message | | | From | madhuparnabhowmik04@gmail ... | Subject | [PATCH 1/3] infiniband: hw: hfi1: verbs.c: Use built-in RCU list checking | Date | Wed, 8 Jan 2020 00:59:12 +0530 |
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From: Madhuparna Bhowmik <madhuparnabhowmik04@gmail.com>
list_for_each_entry_rcu has built-in RCU and lock checking. Pass cond argument to list_for_each_entry_rcu.
Signed-off-by: Madhuparna Bhowmik <madhuparnabhowmik04@gmail.com> --- drivers/infiniband/hw/hfi1/verbs.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/infiniband/hw/hfi1/verbs.c b/drivers/infiniband/hw/hfi1/verbs.c index 089e201d7550..e6abdbcb4ffb 100644 --- a/drivers/infiniband/hw/hfi1/verbs.c +++ b/drivers/infiniband/hw/hfi1/verbs.c @@ -515,7 +515,8 @@ static inline void hfi1_handle_packet(struct hfi1_packet *packet, opa_get_lid(packet->dlid, 9B)); if (!mcast) goto drop; - list_for_each_entry_rcu(p, &mcast->qp_list, list) { + list_for_each_entry_rcu(p, &mcast->qp_list, list, + lock_is_held(&(ibp->rvp.lock).dep_map)) { packet->qp = p->qp; if (hfi1_do_pkey_check(packet)) goto drop; -- 2.17.1
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