diff options
| author | Ursula Braun <ubraun@linux.vnet.ibm.com> | 2017-10-11 13:47:23 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-10-12 12:20:27 -0700 |
| commit | 43e2ada3e06aefe3596be75bd05b34ef14fd1f7c (patch) | |
| tree | 1f6ee517e6b34cfa5f115847c2bc6467f2a449c2 /net | |
| parent | d921c420d2efa5731011b922e5a2f2ad33203c0b (diff) | |
net/smc: dev_put for netdev after usage of ib_query_gid()
For RoCEs ib_query_gid() takes a reference count on the net_device.
This reference count must be decreased by the caller.
Signed-off-by: Ursula Braun <ubraun@linux.vnet.ibm.com>
Reported-by: Parav Pandit <parav@mellanox.com>
Reviewed-by: Parav Pandit <parav@mellanox.com>
Fixes: 0cfdd8f92cac ("smc: connection and link group creation")
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
| -rw-r--r-- | net/smc/smc_core.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/net/smc/smc_core.c b/net/smc/smc_core.c index 20b66e79c5d6..5f6a20084157 100644 --- a/net/smc/smc_core.c +++ b/net/smc/smc_core.c @@ -380,10 +380,14 @@ static int smc_link_determine_gid(struct smc_link_group *lgr) if (ib_query_gid(lnk->smcibdev->ibdev, lnk->ibport, i, &gid, &gattr)) continue; - if (gattr.ndev && - (vlan_dev_vlan_id(gattr.ndev) == lgr->vlan_id)) { - lnk->gid = gid; - return 0; + if (gattr.ndev) { + if (is_vlan_dev(gattr.ndev) && + vlan_dev_vlan_id(gattr.ndev) == lgr->vlan_id) { + lnk->gid = gid; + dev_put(gattr.ndev); + return 0; + } + dev_put(gattr.ndev); } } return -ENODEV; |