Re: [PATCH v3 4/6] scsi_error: fix invalid setting of host byte

From: Christoph Hellwig
Date: Thu Jun 05 2014 - 06:12:47 EST


On Wed, Jun 04, 2014 at 01:34:57PM +0200, Paolo Bonzini wrote:
> From: Ulrich Obergfell <uobergfe@xxxxxxxxxx>
>
> After scsi_try_to_abort_cmd returns, the eh_abort_handler may have
> already found that the command has completed in the device, causing
> the host_byte to be nonzero (e.g. it could be DID_ABORT). When
> this happens, ORing DID_TIME_OUT into the host byte will corrupt
> the result field and initiate an unwanted command retry.
>
> Fix this by using set_host_byte instead, following the model of
> commit 2082ebc45af9c9c648383b8cde0dc1948eadbf31.
>
> Cc: stable@xxxxxxxxxxxxxxx
> Signed-off-by: Ulrich Obergfell <uobergfe@xxxxxxxxxx>
> [Fix all instances according to review comments. - Paolo]
> Signed-off-by: Paolo Bonzini <pbonzini@xxxxxxxxxx>

Looks good,

Reviewed-by: Christoph Hellwig <hch@xxxxxx>
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