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From: Keith Busch <kbusch@kernel.org>
To: Tony Asleson <tasleson@redhat.com>
Cc: linux-scsi@vger.kernel.org, linux-block@vger.kernel.org
Subject: Re: [RFC PATCH v2 7/7] nvme: Add durable name for dev_printk
Date: Thu, 14 May 2020 08:04:55 +0900	[thread overview]
Message-ID: <20200513230455.GA1503@redsun51.ssa.fujisawa.hgst.com> (raw)
In-Reply-To: <20200513213621.470411-8-tasleson@redhat.com>

On Wed, May 13, 2020 at 04:36:21PM -0500, Tony Asleson wrote:
> +static int dev_to_nvme_durable_name(const struct device *dev, char *buf, size_t len)
> +{
> +	char serial[128];
> +	ssize_t serial_len = wwid_show((struct device *)dev, NULL, serial);

wwid_show() can generate a serial larger than 128 bytes.

> +
> +	if (serial_len > 0 && serial_len < len) {
> +		serial_len -= 1;  // Remove the '\n' from the string

Comments in this driver should use the /* */ style.

> +		strncpy(buf, serial, serial_len);
> +		return serial_len;
> +	}
> +	return 0;
> +}

  reply	other threads:[~2020-05-13 23:05 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-05-13 21:36 [RFC PATCH v2 0/7] Add persistent durable identifier to storage log messages Tony Asleson
2020-05-13 21:36 ` [RFC PATCH v2 1/7] struct device: Add function callback durable_name Tony Asleson
2020-05-13 21:36 ` [RFC PATCH v2 2/7] create_syslog_header: Add durable name Tony Asleson
2020-05-13 21:36 ` [RFC PATCH v2 3/7] print_req_error: Use dev_printk Tony Asleson
2020-05-13 21:36 ` [RFC PATCH v2 4/7] buffer_io_error: " Tony Asleson
2020-05-13 21:36 ` [RFC PATCH v2 5/7] ata_dev_printk: " Tony Asleson
2020-05-14  5:53   ` Hannes Reinecke
2020-05-14 18:03     ` Tony Asleson
     [not found]       ` <CGME20200626135627eucas1p2d68eb5853f90bc636faab69149fbe02c@eucas1p2.samsung.com>
2020-06-26 13:56         ` Bartlomiej Zolnierkiewicz
2020-05-13 21:36 ` [RFC PATCH v2 6/7] scsi: Add durable_name for dev_printk Tony Asleson
2020-05-13 21:36 ` [RFC PATCH v2 7/7] nvme: Add durable name " Tony Asleson
2020-05-13 23:04   ` Keith Busch [this message]
2020-05-14 17:13     ` Tony Asleson
2020-05-14 17:20       ` Keith Busch

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