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path: root/drivers/char/apm-emulation.c
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Diffstat (limited to 'drivers/char/apm-emulation.c')
-rw-r--r--drivers/char/apm-emulation.c15
1 files changed, 8 insertions, 7 deletions
diff --git a/drivers/char/apm-emulation.c b/drivers/char/apm-emulation.c
index c99e43b837f5..17d54315e146 100644
--- a/drivers/char/apm-emulation.c
+++ b/drivers/char/apm-emulation.c
@@ -295,7 +295,6 @@ static int
295apm_ioctl(struct inode * inode, struct file *filp, u_int cmd, u_long arg) 295apm_ioctl(struct inode * inode, struct file *filp, u_int cmd, u_long arg)
296{ 296{
297 struct apm_user *as = filp->private_data; 297 struct apm_user *as = filp->private_data;
298 unsigned long flags;
299 int err = -EINVAL; 298 int err = -EINVAL;
300 299
301 if (!as->suser || !as->writer) 300 if (!as->suser || !as->writer)
@@ -331,10 +330,16 @@ apm_ioctl(struct inode * inode, struct file *filp, u_int cmd, u_long arg)
331 * Wait for the suspend/resume to complete. If there 330 * Wait for the suspend/resume to complete. If there
332 * are pending acknowledges, we wait here for them. 331 * are pending acknowledges, we wait here for them.
333 */ 332 */
334 flags = current->flags; 333 freezer_do_not_count();
335 334
336 wait_event(apm_suspend_waitqueue, 335 wait_event(apm_suspend_waitqueue,
337 as->suspend_state == SUSPEND_DONE); 336 as->suspend_state == SUSPEND_DONE);
337
338 /*
339 * Since we are waiting until the suspend is done, the
340 * try_to_freeze() in freezer_count() will not trigger
341 */
342 freezer_count();
338 } else { 343 } else {
339 as->suspend_state = SUSPEND_WAIT; 344 as->suspend_state = SUSPEND_WAIT;
340 mutex_unlock(&state_lock); 345 mutex_unlock(&state_lock);
@@ -362,14 +367,10 @@ apm_ioctl(struct inode * inode, struct file *filp, u_int cmd, u_long arg)
362 * Wait for the suspend/resume to complete. If there 367 * Wait for the suspend/resume to complete. If there
363 * are pending acknowledges, we wait here for them. 368 * are pending acknowledges, we wait here for them.
364 */ 369 */
365 flags = current->flags; 370 wait_event_freezable(apm_suspend_waitqueue,
366
367 wait_event_interruptible(apm_suspend_waitqueue,
368 as->suspend_state == SUSPEND_DONE); 371 as->suspend_state == SUSPEND_DONE);
369 } 372 }
370 373
371 current->flags = flags;
372
373 mutex_lock(&state_lock); 374 mutex_lock(&state_lock);
374 err = as->suspend_result; 375 err = as->suspend_result;
375 as->suspend_state = SUSPEND_NONE; 376 as->suspend_state = SUSPEND_NONE;