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ACPI fix for 5.1-rc2 

Prevent device references acquired by bus_find_device() in
 acpi_dev_present() from being leaked (Andy Shevchenko).
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Merge tag 'acpi-5.1-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull ACPI fix from Rafael Wysocki:
 "Prevent device references acquired by bus_find_device() in
  acpi_dev_present() from being leaked (Andy Shevchenko)"

* tag 'acpi-5.1-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
  ACPI / utils: Drop reference in test for device presence
This commit is contained in:
Linus Torvalds 2019-03-22 12:07:06 -07:00
parent b44290a022 54e3aca84e
commit 2c1ada4f05
1 changed files with 1 additions and 0 deletions
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1
drivers/acpi/utils.c
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@ -800,6 +800,7 @@ bool acpi_dev_present(const char *hid, const char *uid, s64 hrv)
match.hrv = hrv;
dev = bus_find_device(&acpi_bus_type, NULL, &match, acpi_dev_match_cb);
put_device(dev);
return !!dev;
}
EXPORT_SYMBOL(acpi_dev_present);