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From: Jason Gunthorpe <jgg@nvidia.com>
To: Joe Perches <joe@perches.com>
Cc: Doug Ledford <dledford@redhat.com>,
	Potnuri Bharat Teja <bharat@chelsio.com>,
	Mike Marciniszyn <mike.marciniszyn@intel.com>,
	"Dennis Dalessandro" <dennis.dalessandro@intel.com>,
	Yishai Hadas <yishaih@nvidia.com>,
	Leon Romanovsky <leon@kernel.org>,
	Christian Benvenuti <benve@cisco.com>,
	Nelson Escobar <neescoba@cisco.com>,
	Parvi Kaustubhi <pkaustub@cisco.com>,
	Danil Kipnis <danil.kipnis@cloud.ionos.com>,
	Jack Wang <jinpu.wang@cloud.ionos.com>,
	Bart Van Assche <bvanassche@acm.org>,
	<linux-rdma@vger.kernel.org>
Subject: Re: [PATCH 3/4] RDMA: manual changes for sysfs_emit and neatening
Date: Wed, 28 Oct 2020 14:25:30 -0300	[thread overview]
Message-ID: <20201028172530.GA2460290@nvidia.com> (raw)
In-Reply-To: <f5c9e4c9d8dafca1b7b70bd597ee7f8f219c31c8.1602122880.git.joe@perches.com>

On Wed, Oct 07, 2020 at 07:36:26PM -0700, Joe Perches wrote:

> @@ -653,10 +651,7 @@ static ssize_t serial_show(struct device *device,
>  		rdma_device_to_drv_device(device, struct qib_ibdev, rdi.ibdev);
>  	struct qib_devdata *dd = dd_from_dev(dev);
>  
> -	buf[sizeof(dd->serial)] = '\0';
> -	memcpy(buf, dd->serial, sizeof(dd->serial));
> -	strcat(buf, "\n");
> -	return strlen(buf);
> +	return sysfs_emit(buf, "%s\n", dd->serial);
>  }

This is not the same thing? dd->serial does not look null terminated,
eg it is filled like this:

		memcpy(dd->serial, ifp->if_serial, sizeof(ifp->if_serial));

From data read off the flash

Jason

  parent reply	other threads:[~2020-10-29  0:22 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-10-08  2:36 [PATCH-next 0/4] RDMA: sprintf to sysfs_emit conversions Joe Perches
2020-10-08  2:36 ` [PATCH 1/4] RDMA: Convert sysfs device * show functions to use sysfs_emit() Joe Perches
2020-10-09 14:07   ` Jason Gunthorpe
2020-10-08  2:36 ` [PATCH 2/4] RDMA: Convert sysfs kobject " Joe Perches
2020-10-09 14:09   ` Jason Gunthorpe
2020-10-09 16:25     ` Joe Perches
2020-10-12  5:21   ` Jinpu Wang
2020-10-08  2:36 ` [PATCH 3/4] RDMA: manual changes for sysfs_emit and neatening Joe Perches
2020-10-09 15:20   ` Jason Gunthorpe
2020-10-12  5:30   ` Jinpu Wang
2020-10-28 17:25   ` Jason Gunthorpe [this message]
2020-10-28 17:54     ` Joe Perches
2020-10-28 18:23       ` Jason Gunthorpe
2020-10-29 17:16       ` Joe Perches
2020-10-31  0:04         ` Jason Gunthorpe
2020-10-08  2:36 ` [PATCH 4/4] RDMA: Convert various random sprintf sysfs _show uses to sysfs_emit Joe Perches
2020-10-09 15:27   ` Jason Gunthorpe
2020-10-12  5:25   ` Jinpu Wang
2020-10-28 18:12   ` Jason Gunthorpe
2020-10-28 18:22     ` Joe Perches
2020-10-08  5:41 ` [PATCH-next 0/4] RDMA: sprintf to sysfs_emit conversions Leon Romanovsky
2020-10-08  5:52   ` Joe Perches
2020-10-08  7:02     ` Leon Romanovsky
2020-10-15  5:29   ` Joe Perches
2020-10-26 22:54 ` Jason Gunthorpe
2020-10-28 18:27 ` Jason Gunthorpe

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