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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2014-01-21 03:48:19 +0400 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2014-01-21 03:48:19 +0400 |
| commit | 9f67627a0fea99b080a190d2d24cc1e2634aa2f7 (patch) | |
| tree | 24dcf714a8b502c7ef91086d9eb6164f68c7d52b /drivers/char/nwbutton.c | |
| parent | 82b51734b4f228c76b6064b6e899d9d3d4c17c1a (diff) | |
| parent | 6adb8efb024a7e413b93b22848fc13395b1a438a (diff) | |
| download | linux-9f67627a0fea99b080a190d2d24cc1e2634aa2f7.tar.xz | |
Merge tag 'char-misc-3.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc driver patches from Greg KH:
"Here's the big char/misc driver patches for 3.14-rc1.
Lots of little things, and a new "big" driver, genwqe. Full details
are in the shortlog"
* tag 'char-misc-3.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (90 commits)
mei: limit the number of consecutive resets
mei: revamp mei reset state machine
drivers/char: don't use module_init in non-modular ttyprintk.c
VMCI: fix error handling path when registering guest driver
extcon: gpio: Add power resume support
Documentation: HOWTO: Updates on subsystem trees, patchwork, -next (vs. -mm) in ko_KR
Documentation: HOWTO: update for 2.6.x -> 3.x versioning in ko_KR
Documentation: HOWTO: update stable address in ko_KR
Documentation: HOWTO: update LXR web link in ko_KR
char: nwbutton: open-code interruptible_sleep_on
mei: fix syntax in comments and debug output
mei: nfc: mei_nfc_free has to be called under lock
mei: use hbm idle state to prevent spurious resets
mei: do not run reset flow from the interrupt thread
misc: genwqe: fix return value check in genwqe_device_create()
GenWQE: Fix warnings for sparc
GenWQE: Fix compile problems for Alpha
Documentation/misc-devices/mei/mei-amt-version.c: remove unneeded call of mei_deinit()
GenWQE: Rework return code for flash-update ioctl
sgi-xp: open-code interruptible_sleep_on_timeout
...
Diffstat (limited to 'drivers/char/nwbutton.c')
| -rw-r--r-- | drivers/char/nwbutton.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/char/nwbutton.c b/drivers/char/nwbutton.c index 1fd00dc06897..76c490fa0511 100644 --- a/drivers/char/nwbutton.c +++ b/drivers/char/nwbutton.c @@ -168,7 +168,10 @@ static irqreturn_t button_handler (int irq, void *dev_id) static int button_read (struct file *filp, char __user *buffer, size_t count, loff_t *ppos) { - interruptible_sleep_on (&button_wait_queue); + DEFINE_WAIT(wait); + prepare_to_wait(&button_wait_queue, &wait, TASK_INTERRUPTIBLE); + schedule(); + finish_wait(&button_wait_queue, &wait); return (copy_to_user (buffer, &button_output_buffer, bcount)) ? -EFAULT : bcount; } |