Messages in this thread | | | Date | Tue, 23 Jul 2013 10:26:25 -0400 | From | Tejun Heo <> | Subject | Re: [PATCH v2] AHCI: fix Null pointer dereference in achi_host_active() |
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On Tue, Jul 23, 2013 at 11:54:10AM +0800, Xiaotian Feng wrote: > commit b29900e6 (AHCI: Make distinct names for ports in /proc/interrupts) > introuded a regression, which resulted Null pointer dereference for achi > host with dummy ports. For ahci ports, when the port is dummy port, its > private_data will be NULL, as ata_dummy_port_ops doesn't support ->port_start. > > changes in v2: use pp to check dummy ports, update comments > > Reported-and-tested-by: Alex Williamson <alex.williamson@redhat.com> > Signed-off-by: Xiaotian Feng <xtfeng@gmail.com> > Cc: Alexander Gordeev <agordeev@redhat.com> > Cc: Tejun Heo <tj@kernel.org> > Cc: linux-ide@vger.kernel.org > Cc: linux-kernel@vger.kernel.org
Applied to libata/for-3.11-fixes.
Thanks.
-- tejun
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