diff options
| author | Florian Fainelli <f.fainelli@gmail.com> | 2019-02-22 14:02:14 -0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-02-26 11:52:46 +0100 |
| commit | 11f27765f61175ac9602a05e305b9034dc6c80bf (patch) | |
| tree | b0a16f276a7e50e0140d0eeefb70694020b7f398 /drivers/staging/fsl-dpaa2 | |
| parent | 2c62d36c8144b2bf5971edcbb803a3b2c7d59239 (diff) | |
staging: fsl-dpaa2: ethsw: Add missing netdevice check
port_switchdev_event() does not check that the target network device is
actually backed by the ethsw driver, this could be problematic in a
stacked environment case.
Fixes: 44baaa43d7cc ("staging: fsl-dpaa2/ethsw: Add Freescale DPAA2 Ethernet Switch driver")
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging/fsl-dpaa2')
| -rw-r--r-- | drivers/staging/fsl-dpaa2/ethsw/ethsw.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/staging/fsl-dpaa2/ethsw/ethsw.c b/drivers/staging/fsl-dpaa2/ethsw/ethsw.c index daabaceeea52..2edd82f5229a 100644 --- a/drivers/staging/fsl-dpaa2/ethsw/ethsw.c +++ b/drivers/staging/fsl-dpaa2/ethsw/ethsw.c @@ -1047,6 +1047,9 @@ static int port_switchdev_event(struct notifier_block *unused, struct ethsw_switchdev_event_work *switchdev_work; struct switchdev_notifier_fdb_info *fdb_info = ptr; + if (!ethsw_port_dev_check(dev)) + return NOTIFY_DONE; + switchdev_work = kzalloc(sizeof(*switchdev_work), GFP_ATOMIC); if (!switchdev_work) return NOTIFY_BAD; |