diff options
| author | Sameer Wadgaonkar <sameer.wadgaonkar@unisys.com> | 2017-09-27 13:14:43 -0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-09-28 11:20:21 +0200 |
| commit | cb3b5dccca9d011f764de139f88a1db3b9d21d82 (patch) | |
| tree | aa2622b571339a77f8188cc36b6e754430b462e1 /drivers/staging/unisys | |
| parent | 66040f9104fc2898d4a66e94e9e5e2cc11927611 (diff) | |
staging: unisys: check the whole channel instead of just guid for match
Validate that the channel contents match the channel type that we are
matching.
Signed-off-by: Sameer Wadgaonkar <sameer.wadgaonkar@unisys.com>
Signed-off-by: David Kershner <david.kershner@unisys.com>
Reviewed-by: Tim Sell <timothy.sell@unisys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging/unisys')
| -rw-r--r-- | drivers/staging/unisys/visorbus/visorbus_main.c | 11 | ||||
| -rw-r--r-- | drivers/staging/unisys/visorhba/visorhba_main.c | 3 | ||||
| -rw-r--r-- | drivers/staging/unisys/visorinput/visorinput.c | 5 | ||||
| -rw-r--r-- | drivers/staging/unisys/visornic/visornic_main.c | 3 |
4 files changed, 17 insertions, 5 deletions
diff --git a/drivers/staging/unisys/visorbus/visorbus_main.c b/drivers/staging/unisys/visorbus/visorbus_main.c index 7df06f1b9fbd..cc6a9d834f63 100644 --- a/drivers/staging/unisys/visorbus/visorbus_main.c +++ b/drivers/staging/unisys/visorbus/visorbus_main.c @@ -143,14 +143,23 @@ static int visorbus_match(struct device *xdev, struct device_driver *xdrv) int i; struct visor_device *dev; struct visor_driver *drv; + struct visorchannel *chan; dev = to_visor_device(xdev); channel_type = visorchannel_get_guid(dev->visorchannel); drv = to_visor_driver(xdrv); + chan = dev->visorchannel; if (!drv->channel_types) return 0; for (i = 0; !guid_is_null(&drv->channel_types[i].guid); i++) - if (guid_equal(&drv->channel_types[i].guid, channel_type)) + if (guid_equal(&drv->channel_types[i].guid, channel_type) && + visor_check_channel(visorchannel_get_header(chan), + xdev, + &drv->channel_types[i].guid, + (char *)drv->channel_types[i].name, + drv->channel_types[i].min_bytes, + drv->channel_types[i].version, + VISOR_CHANNEL_SIGNATURE)) return i + 1; return 0; } diff --git a/drivers/staging/unisys/visorhba/visorhba_main.c b/drivers/staging/unisys/visorhba/visorhba_main.c index b84b40e78f8f..91e6e358f506 100644 --- a/drivers/staging/unisys/visorhba/visorhba_main.c +++ b/drivers/staging/unisys/visorhba/visorhba_main.c @@ -40,7 +40,8 @@ static struct visor_channeltype_descriptor visorhba_channel_types[] = { /* Note that the only channel type we expect to be reported by the * bus driver is the VISOR_VHBA channel. */ - { VISOR_VHBA_CHANNEL_GUID, "sparvhba" }, + { VISOR_VHBA_CHANNEL_GUID, "sparvhba", sizeof(struct channel_header), + VISOR_VHBA_CHANNEL_VERSIONID }, {} }; diff --git a/drivers/staging/unisys/visorinput/visorinput.c b/drivers/staging/unisys/visorinput/visorinput.c index 1b58663709e6..450f003743c0 100644 --- a/drivers/staging/unisys/visorinput/visorinput.c +++ b/drivers/staging/unisys/visorinput/visorinput.c @@ -712,8 +712,9 @@ out: /* GUIDS for all channel types supported by this driver. */ static struct visor_channeltype_descriptor visorinput_channel_types[] = { - { VISOR_KEYBOARD_CHANNEL_GUID, "keyboard"}, - { VISOR_MOUSE_CHANNEL_GUID, "mouse"}, + { VISOR_KEYBOARD_CHANNEL_GUID, "keyboard", + sizeof(struct channel_header), 0 }, + { VISOR_MOUSE_CHANNEL_GUID, "mouse", sizeof(struct channel_header), 0 }, {} }; diff --git a/drivers/staging/unisys/visornic/visornic_main.c b/drivers/staging/unisys/visornic/visornic_main.c index c5f0b012378f..f31888841310 100644 --- a/drivers/staging/unisys/visornic/visornic_main.c +++ b/drivers/staging/unisys/visornic/visornic_main.c @@ -49,7 +49,8 @@ static struct visor_channeltype_descriptor visornic_channel_types[] = { /* Note that the only channel type we expect to be reported by the * bus driver is the VISOR_VNIC channel. */ - { VISOR_VNIC_CHANNEL_GUID, "ultravnic" }, + { VISOR_VNIC_CHANNEL_GUID, "ultravnic", sizeof(struct channel_header), + VISOR_VNIC_CHANNEL_VERSIONID }, {} }; MODULE_DEVICE_TABLE(visorbus, visornic_channel_types); |