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SubjectRe: [PATCH] AHCI: fix Null pointer dereference in achi_host_active()

On 16-07-2013 9:18, Xiaotian Feng wrote:

> commit b29900e6 introuded a regression, which resulted Null pointer

Please also specify that commit's summary in parens.

> 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.

> Reported-and-tested-by: Alex Williamson <>
> Signed-off-by: Xiaotian Feng <>
> Cc: Alexander Gordeev <>
> Cc: Tejun Heo <>
> Cc:
> Cc:

MBR, Sergei

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