Commit a6832c3a authored Sep 21, 2017 by Ursula Braun Committed by David S. Miller Sep 21, 2017

net/smc: adjust net_device refcount



smc_pnet_fill_entry() uses dev_get_by_name() adding a refcount to ndev.
The following smc_pnet_enter() has to reduce the refcount if the entry
to be added exists already in the pnet table.

Signed-off-by: Ursula Braun <ubraun@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

parent 731b0085

net/smc/smc_pnet.c

+3 −1

Original line number	Diff line number	Diff line
		@@ -181,9 +181,11 @@ static int smc_pnet_enter(struct smc_pnetentry *new_pnetelem)
		sizeof(new_pnetelem->ndev->name)) \|\|
		smc_pnet_same_ibname(pnetelem,
		new_pnetelem->smcibdev->ibdev->name,
		new_pnetelem->ib_port))
		new_pnetelem->ib_port)) {
		dev_put(pnetelem->ndev);
		goto found;
		}
		}
		list_add_tail(&new_pnetelem->list, &smc_pnettable.pnetlist);
		rc = 0;
		found: