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PM / Hibernate: Thaw kernel threads in hibernation_snapshot() in error/test path

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In the hibernation call path, the kernel threads are frozen inside
hibernation_snapshot(). If we happen to encounter an error further down
the road or if we are exiting early due to a successful freezer test,
then thaw kernel threads before returning to the caller.

Signed-off-by: Srivatsa S. Bhat <srivatsa.bhat@linux.vnet.ibm.com>
Acked-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
This commit is contained in:
Srivatsa S. Bhat 2012-02-04 22:26:38 +01:00 • committed by Rafael J. Wysocki
parent 9045a05044
commit 51d6ff7acd
2 changed files with 6 additions and 8 deletions
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6
kernel/power/hibernate.c
View file

@ -343,13 +343,13 @@ int hibernation_snapshot(int platform_mode)
* successful freezer test.
*/
freezer_test_done = true;
goto Cleanup;
goto Thaw;
}
error = dpm_prepare(PMSG_FREEZE);
if (error) {
dpm_complete(PMSG_RECOVER);
goto Cleanup;
goto Thaw;
}
suspend_console();
@ -385,6 +385,8 @@ int hibernation_snapshot(int platform_mode)
platform_end(platform_mode);
return error;
Thaw:
thaw_kernel_threads();
Cleanup:
swsusp_free();
goto Close;