diff options
| author | Bart Van Assche <bart.vanassche@sandisk.com> | 2016-11-21 10:22:17 -0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-01-09 08:32:23 +0100 |
| commit | 5984423bf7ebea12f953e4665aa72ccff83623d1 (patch) | |
| tree | aaa0c0eff429125b4e4a97b4b528fe8e5b36e0b4 | |
| parent | 4187dfa67fa9bfdfa3ddc14796b42302faf1f357 (diff) | |
IB/multicast: Check ib_find_pkey() return value
commit d3a2418ee36a59bc02e9d454723f3175dcf4bfd9 upstream.
This patch avoids that Coverity complains about not checking the
ib_find_pkey() return value.
Fixes: commit 547af76521b3 ("IB/multicast: Report errors on multicast groups if P_key changes")
Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com>
Cc: Sean Hefty <sean.hefty@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/infiniband/core/multicast.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/infiniband/core/multicast.c b/drivers/infiniband/core/multicast.c index e51b739f6ea3..322cb67b07a9 100644 --- a/drivers/infiniband/core/multicast.c +++ b/drivers/infiniband/core/multicast.c @@ -518,8 +518,11 @@ static void join_handler(int status, struct ib_sa_mcmember_rec *rec, process_join_error(group, status); else { int mgids_changed, is_mgid0; - ib_find_pkey(group->port->dev->device, group->port->port_num, - be16_to_cpu(rec->pkey), &pkey_index); + + if (ib_find_pkey(group->port->dev->device, + group->port->port_num, be16_to_cpu(rec->pkey), + &pkey_index)) + pkey_index = MCAST_INVALID_PKEY_INDEX; spin_lock_irq(&group->port->lock); if (group->state == MCAST_BUSY && |