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From: Jakub Kicinski <kuba@kernel.org>
To: Jonathan Lemon <jonathan.lemon@gmail.com>
Cc: davem@davemloft.net, richardcochran@gmail.com,
	netdev@vger.kernel.org, kernel-team@fb.com
Subject: Re: [PATCH net-next 1/3] ptp: ocp: Fix uninitialized variable warning spotted by clang.
Date: Thu, 12 Aug 2021 14:58:26 -0700	[thread overview]
Message-ID: <20210812145826.6d795954@kicinski-fedora-pc1c0hjn.dhcp.thefacebook.com> (raw)
In-Reply-To: <20210811183133.186721-2-jonathan.lemon@gmail.com>

On Wed, 11 Aug 2021 11:31:31 -0700 Jonathan Lemon wrote:
> If attempting to flash the firmware with a blob of size 0,
> the entire write loop is skipped and the uninitialized err
> is returned.  Fix by setting to 0 first.
> 
> Also remove a now-unused error handling statement.
> 
> Signed-off-by: Jonathan Lemon <jonathan.lemon@gmail.com>
> ---
>  drivers/ptp/ptp_ocp.c | 4 +---
>  1 file changed, 1 insertion(+), 3 deletions(-)
> 
> diff --git a/drivers/ptp/ptp_ocp.c b/drivers/ptp/ptp_ocp.c
> index 92edf772feed..9b2ba06ebf97 100644
> --- a/drivers/ptp/ptp_ocp.c
> +++ b/drivers/ptp/ptp_ocp.c
> @@ -763,7 +763,7 @@ ptp_ocp_devlink_flash(struct devlink *devlink, struct device *dev,
>  	size_t off, len, resid, wrote;
>  	struct erase_info erase;
>  	size_t base, blksz;
> -	int err;
> +	int err = 0;
>  
>  	off = 0;
>  	base = bp->flash_start;
> @@ -847,8 +847,6 @@ ptp_ocp_devlink_info_get(struct devlink *devlink, struct devlink_info_req *req,
>  							       "loader",
>  							       buf);
>  		}
> -		if (err)
> -			return err;

Looks like an accidental change, but it's mentioned in the commit log?

>  	}
>  
>  	if (!bp->has_serial)


  reply	other threads:[~2021-08-12 21:58 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-08-11 18:31 [PATCH net-next 0/3] ptp: ocp: minor updates Jonathan Lemon
2021-08-11 18:31 ` [PATCH net-next 1/3] ptp: ocp: Fix uninitialized variable warning spotted by clang Jonathan Lemon
2021-08-12 21:58   ` Jakub Kicinski [this message]
2021-08-12 22:06     ` Jonathan Lemon
2021-08-11 18:31 ` [PATCH net-next 2/3] ptp: ocp: Fix error path for pci_ocp_device_init() Jonathan Lemon
2021-08-12 21:59   ` Jakub Kicinski
2021-08-11 18:31 ` [PATCH net-next 3/3] MAINTAINERS: Update for ptp_ocp driver Jonathan Lemon

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