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Power management fix for 5.16-rc7

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Fix a recent regression causing the loop in dpm_prepare() to become
 infinite if one of the device ->prepare() callbacks returns an error.
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Merge tag 'pm-5.16-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull power management fix from Rafael Wysocki:
 "Fix a recent regression causing the loop in dpm_prepare() to become
  infinite if one of the device ->prepare() callbacks returns an error"

* tag 'pm-5.16-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
  PM: sleep: Fix error handling in dpm_prepare()
This commit is contained in:
Linus Torvalds 2021-12-21 12:31:55 -08:00
parent ca0ea8a60b 544e737dea
commit 2f47a9a4df
1 changed files with 1 additions and 1 deletions
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2
drivers/base/power/main.c
View file

@ -1902,7 +1902,7 @@ int dpm_prepare(pm_message_t state)
device_block_probing();
mutex_lock(&dpm_list_mtx);
while (!list_empty(&dpm_list)) {
while (!list_empty(&dpm_list) && !error) {
struct device *dev = to_device(dpm_list.next);
get_device(dev);