Michal Hocko 0208fabf72 mm, hwpoison: fixup "mm: check the return value of lookup_page_ext for all call sites" ...

Backport of the upstream commit f86e427197 ("mm: check the return
value of lookup_page_ext for all call sites") is wrong for hwpoison
pages. I have accidentally negated the condition for bailout. This
basically disables hwpoison pages tracking while the code still
might crash on unusual configurations when struct pages do not have
page_ext allocated. The fix is trivial to invert the condition.

Reported-by: Jiri Slaby <jslaby@suse.cz>
Signed-off-by: Michal Hocko <mhocko@suse.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

2017-11-24 11:26:29 +01:00

2.7 KiB

Raw Blame History

View Raw