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PM / Hibernate: Refactor and simplify freezer_test_done 

The code related to 'freezer_test_done' is needlessly convoluted.
Refactor the code and simplify the implementation.

Signed-off-by: Srivatsa S. Bhat <srivatsa.bhat@linux.vnet.ibm.com>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
This commit is contained in:
Srivatsa S. Bhat 2012-02-04 23:39:56 +01:00 committed by Rafael J. Wysocki
parent 51d6ff7acd
commit a556d5b583
2 changed files with 7 additions and 9 deletions
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10
kernel/power/hibernate.c
View File

@ -629,12 +629,8 @@ int hibernate(void)
goto Finish;
error = hibernation_snapshot(hibernation_mode == HIBERNATION_PLATFORM);
if (error)
if (error || freezer_test_done)
goto Thaw;
if (freezer_test_done) {
freezer_test_done = false;
goto Thaw;
}
if (in_suspend) {
unsigned int flags = 0;
@ -659,6 +655,10 @@ int hibernate(void)
Thaw:
thaw_processes();
/* Don't bother checking whether freezer_test_done is true */
freezer_test_done = false;
Finish:
free_basic_memory_bitmaps();
usermodehelper_enable();

4
kernel/power/user.c
View File

@ -251,9 +251,7 @@ static long snapshot_ioctl(struct file *filp, unsigned int cmd,
error = hibernation_snapshot(data->platform_support);
if (!error) {
error = put_user(in_suspend, (int __user *)arg);
if (!error && !freezer_test_done)
data->ready = 1;
if (freezer_test_done)
data->ready = !freezer_test_done && !error;
freezer_test_done = false;
}
break;