Re: [PATCH RESEND 2/2] scsi/ufs: Fix evaluation of task_failed status

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Please cc James and linux-scsi on drivers/scsi patches?

On Wed, 18 Apr 2012 13:08:53 +0530
Venkatraman S <svenkatr@xxxxxx> wrote:

> Else FAILED would be set even if task_result was
> originally equal to UPIU_TASK_MANAGEMENT_FUNC_SUCCEEDED.

This changelog is inadequate.  It failed to describe the end-user
impact of the bug.  Without this information we cannot decide which
kernel version(s) should be patched.  Please always fully describe a
bug when fixing it.

> --- a/drivers/scsi/ufs/ufshcd.c
> +++ b/drivers/scsi/ufs/ufshcd.c
> @@ -1160,7 +1160,7 @@ static int ufshcd_task_req_compl(struct ufs_hba *hba, u32 index)
>  		task_result = be32_to_cpu(task_rsp_upiup->header.dword_1);
>  		task_result = ((task_result & MASK_TASK_RESPONSE) >> 8);
>  
> -		if (task_result != UPIU_TASK_MANAGEMENT_FUNC_COMPL ||
> +		if (task_result != UPIU_TASK_MANAGEMENT_FUNC_COMPL &&
>  		    task_result != UPIU_TASK_MANAGEMENT_FUNC_SUCCEEDED)
>  			task_result = FAILED;
>  	} else {

And the title of the patch is poor.  There is no "task_failed" here. 
Something like "fix evaluation of task completion code" would be
better?
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