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From: Bart Van Assche <bvanassche@acm.org>
To: Colin King <colin.king@canonical.com>,
	Alim Akhtar <alim.akhtar@samsung.com>,
	Avri Altman <avri.altman@wdc.com>,
	"James E . J . Bottomley" <jejb@linux.ibm.com>,
	"Martin K . Petersen" <martin.petersen@oracle.com>,
	Daejun Park <daejun7.park@samsung.com>,
	linux-scsi@vger.kernel.org
Cc: kernel-janitors@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH][next] scsi: ufs: Fix unsigned int compared with less than zero
Date: Fri, 6 Aug 2021 15:12:40 -0700	[thread overview]
Message-ID: <e9e4dcf0-f42d-a4c6-0be8-5c7cb84c91ea@acm.org> (raw)
In-Reply-To: <20210806144301.19864-1-colin.king@canonical.com>

On 8/6/21 7:43 AM, Colin King wrote:
> From: Colin Ian King <colin.king@canonical.com>
> 
> Variable tag is currently and unsigned int and is being compared to
> less than zero, this check is always false. Fix this by making tag
> an int.
> 
> Addresses-Coverity: ("Macro compares unsigned to 0")
> Fixes: 4728ab4a8e64 ("scsi: ufs: Remove ufshcd_valid_tag()")
> Signed-off-by: Colin Ian King <colin.king@canonical.com>
> ---
>   drivers/scsi/ufs/ufshcd.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c
> index 47a5085f16a9..21378682cb4f 100644
> --- a/drivers/scsi/ufs/ufshcd.c
> +++ b/drivers/scsi/ufs/ufshcd.c
> @@ -6976,7 +6976,7 @@ static int ufshcd_abort(struct scsi_cmnd *cmd)
>   {
>   	struct Scsi_Host *host = cmd->device->host;
>   	struct ufs_hba *hba = shost_priv(host);
> -	unsigned int tag = cmd->request->tag;
> +	int tag = cmd->request->tag;
>   	struct ufshcd_lrb *lrbp = &hba->lrb[tag];
>   	unsigned long flags;
>   	int err = FAILED;

Reviewed-by: Bart Van Assche <bvanassche@acm.org>

Thanks!

Bart.

  reply	other threads:[~2021-08-06 22:12 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-08-06 14:43 [PATCH][next] scsi: ufs: Fix unsigned int compared with less than zero Colin King
2021-08-06 22:12 ` Bart Van Assche [this message]
2021-08-10  3:15 ` Martin K. Petersen
2021-08-17  3:17 ` Martin K. Petersen

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