diff options
| author | Ursula Braun <ubraun@linux.vnet.ibm.com> | 2017-09-21 09:16:29 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-09-22 00:31:02 +0200 |
| commit | a6832c3acdb2ceb099ec3c385777fbaa6d5a5fd6 (patch) | |
| tree | c30c272d454dcb8d010d661aa93462e3afd8b039 /net | |
| parent | net/smc: take RCU read lock for routing cache lookup (diff) | |
| download | linux-a6832c3acdb2ceb099ec3c385777fbaa6d5a5fd6.tar.xz linux-a6832c3acdb2ceb099ec3c385777fbaa6d5a5fd6.zip | |
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>
Diffstat (limited to 'net')
| -rw-r--r-- | net/smc/smc_pnet.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/net/smc/smc_pnet.c b/net/smc/smc_pnet.c index 78f7af28ae4f..31f8453c25c5 100644 --- a/net/smc/smc_pnet.c +++ b/net/smc/smc_pnet.c @@ -181,8 +181,10 @@ 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; |