diff options
| author | Clemens Ladisch <clemens@ladisch.de> | 2012-08-13 09:08:41 +0200 |
|---|---|---|
| committer | Stefan Richter <stefanr@s5r6.in-berlin.de> | 2012-09-25 16:18:17 +0200 |
| commit | badfcb24891ccd6d37750864b97586af8ab052c3 (patch) | |
| tree | aa48313cfb470d4555098075924813e0d5dc404c /drivers/firewire | |
| parent | 979570e02981d4a8fc20b3cc8fd651856c98ee9d (diff) | |
firewire: core: feed /dev/random with devices' GUIDs
Send the GUIDs of newly registered controllers and devices
to the /dev/random driver to help seed its pools.
Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
Diffstat (limited to 'drivers/firewire')
| -rw-r--r-- | drivers/firewire/core-device.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/firewire/core-device.c b/drivers/firewire/core-device.c index 7a05fd24d68..3873d535b28 100644 --- a/drivers/firewire/core-device.c +++ b/drivers/firewire/core-device.c @@ -32,6 +32,7 @@ #include <linux/mod_devicetable.h> #include <linux/module.h> #include <linux/mutex.h> +#include <linux/random.h> #include <linux/rwsem.h> #include <linux/slab.h> #include <linux/spinlock.h> @@ -1066,6 +1067,8 @@ static void fw_device_init(struct work_struct *work) device->config_rom_retries = 0; set_broadcast_channel(device, device->generation); + + add_device_randomness(&device->config_rom[3], 8); } /* |