commit f0a37e008750ead1751b7d5e89d220a260a46147
author Chuck Ebbert <cebbert@redhat.com> Tue Apr 15 14:34:47 2008 -0700
committer Linus Torvalds <torvalds@linux-foundation.org> Tue Apr 15 19:35:41 2008 -0700
tree db808d329fc56dee2c518a3964f94e25af9941d3
parent d1e7780638a9192f15caf590e0081bf915fdef71

acpi: bus: check once more for an empty list after locking it

List could have become empty after the unlocked check that was made earlier,
so check again inside the lock.

Should fix https://bugzilla.redhat.com/show_bug.cgi?id=427765

Signed-off-by: Chuck Ebbert <cebbert@redhat.com>
Cc: <stable@kernel.org>
Cc: Len Brown <lenb@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>