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author | Linus Torvalds <torvalds@linux-foundation.org> | 2015-04-21 09:42:58 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2015-04-21 09:42:58 -0700 |
commit | 1fc149933fd49a5b0e7738dc0853dbfbac4ae0e1 (patch) | |
tree | dfe99751c21aaf39e49765379d0b9b32114c757d /drivers/char/hw_random/core.c | |
parent | 41d5e08ea86af3359239d5a6f7021cdc61beaa49 (diff) | |
parent | ea5505fabd3b59608750bfd3721d0f8bc5c8b0bb (diff) | |
download | linux-1fc149933fd49a5b0e7738dc0853dbfbac4ae0e1.tar.bz2 |
Merge tag 'char-misc-4.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc driver updates from Greg KH:
"Here's the big char/misc driver patchset for 4.1-rc1.
Lots of different driver subsystem updates here, nothing major, full
details are in the shortlog.
All of this has been in linux-next for a while"
* tag 'char-misc-4.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (133 commits)
mei: trace: remove unused TRACE_SYSTEM_STRING
DTS: ARM: OMAP3-N900: Add lis3lv02d support
Documentation: DT: lis302: update wakeup binding
lis3lv02d: DT: add wakeup unit 2 and wakeup threshold
lis3lv02d: DT: use s32 to support negative values
Drivers: hv: hv_balloon: correctly handle num_pages>INT_MAX case
Drivers: hv: hv_balloon: correctly handle val.freeram<num_pages case
mei: replace check for connection instead of transitioning
mei: use mei_cl_is_connected consistently
mei: fix mei_poll operation
hv_vmbus: Add gradually increased delay for retries in vmbus_post_msg()
Drivers: hv: hv_balloon: survive ballooning request with num_pages=0
Drivers: hv: hv_balloon: eliminate jumps in piecewiese linear floor function
Drivers: hv: hv_balloon: do not online pages in offline blocks
hv: remove the per-channel workqueue
hv: don't schedule new works in vmbus_onoffer()/vmbus_onoffer_rescind()
hv: run non-blocking message handlers in the dispatch tasklet
coresight: moving to new "hwtracing" directory
coresight-tmc: Adding a status interface to sysfs
coresight: remove the unnecessary configuration coresight-default-sink
...
Diffstat (limited to 'drivers/char/hw_random/core.c')
-rw-r--r-- | drivers/char/hw_random/core.c | 34 |
1 files changed, 11 insertions, 23 deletions
diff --git a/drivers/char/hw_random/core.c b/drivers/char/hw_random/core.c index 571ef61f8ea9..da8faf78536a 100644 --- a/drivers/char/hw_random/core.c +++ b/drivers/char/hw_random/core.c @@ -300,11 +300,14 @@ static const struct file_operations rng_chrdev_ops = { .llseek = noop_llseek, }; +static const struct attribute_group *rng_dev_groups[]; + static struct miscdevice rng_miscdev = { .minor = RNG_MISCDEV_MINOR, .name = RNG_MODULE_NAME, .nodename = "hwrng", .fops = &rng_chrdev_ops, + .groups = rng_dev_groups, }; @@ -377,37 +380,22 @@ static DEVICE_ATTR(rng_available, S_IRUGO, hwrng_attr_available_show, NULL); +static struct attribute *rng_dev_attrs[] = { + &dev_attr_rng_current.attr, + &dev_attr_rng_available.attr, + NULL +}; + +ATTRIBUTE_GROUPS(rng_dev); static void __exit unregister_miscdev(void) { - device_remove_file(rng_miscdev.this_device, &dev_attr_rng_available); - device_remove_file(rng_miscdev.this_device, &dev_attr_rng_current); misc_deregister(&rng_miscdev); } static int __init register_miscdev(void) { - int err; - - err = misc_register(&rng_miscdev); - if (err) - goto out; - err = device_create_file(rng_miscdev.this_device, - &dev_attr_rng_current); - if (err) - goto err_misc_dereg; - err = device_create_file(rng_miscdev.this_device, - &dev_attr_rng_available); - if (err) - goto err_remove_current; -out: - return err; - -err_remove_current: - device_remove_file(rng_miscdev.this_device, &dev_attr_rng_current); -err_misc_dereg: - misc_deregister(&rng_miscdev); - goto out; + return misc_register(&rng_miscdev); } static int hwrng_fillfn(void *unused) |