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From: james_p_freyensee@linux.intel.com (J Freyensee)
Subject: [PATCH -next] nvmet: fix return value check in nvmet_subsys_alloc()
Date: Fri, 08 Jul 2016 15:27:28 -0700	[thread overview]
Message-ID: <1468016848.9164.16.camel@linux.intel.com> (raw)
In-Reply-To: <1467806529-23712-1-git-send-email-weiyj_lk@163.com>

On Wed, 2016-07-06@12:02 +0000, weiyj_lk@163.com wrote:
> From: Wei Yongjun <yongjun_wei at trendmicro.com.cn>
> 
> In case of error, the function kstrndup() returns NULL pointer
> not ERR_PTR(). The IS_ERR() test in the return value check
> should be replaced with NULL test.
> 
> Signed-off-by: Wei Yongjun <yongjun_wei at trendmicro.com.cn>

Looks good and inline with how other drivers use kstrndup(), thanks for
the fix.

Reviewed-by: Jay Freyensee <james_p_freyensee at linux.intel.com>

> ---
>  drivers/nvme/target/core.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/nvme/target/core.c b/drivers/nvme/target/core.c
> index e0b3f01..8a891ca 100644
> --- a/drivers/nvme/target/core.c
> +++ b/drivers/nvme/target/core.c
> @@ -895,7 +895,7 @@ struct nvmet_subsys *nvmet_subsys_alloc(const
> char *subsysnqn,
>  	subsys->type = type;
>  	subsys->subsysnqn = kstrndup(subsysnqn, NVMF_NQN_SIZE,
>  			GFP_KERNEL);
> -	if (IS_ERR(subsys->subsysnqn)) {
> +	if (!subsys->subsysnqn) {
>  		kfree(subsys);
>  		return NULL;
>  	}
> 
> 
> 
> _______________________________________________
> Linux-nvme mailing list
> Linux-nvme at lists.infradead.org
> http://lists.infradead.org/mailman/listinfo/linux-nvme

WARNING: multiple messages have this Message-ID (diff)
From: J Freyensee <james_p_freyensee@linux.intel.com>
To: weiyj_lk@163.com, Christoph Hellwig <hch@lst.de>,
	Sagi Grimberg <sagi@grimberg.me>
Cc: Wei Yongjun <yongjun_wei@trendmicro.com.cn>,
	linux-kernel@vger.kernel.org, linux-nvme@lists.infradead.org
Subject: Re: [PATCH -next] nvmet: fix return value check in nvmet_subsys_alloc()
Date: Fri, 08 Jul 2016 15:27:28 -0700	[thread overview]
Message-ID: <1468016848.9164.16.camel@linux.intel.com> (raw)
In-Reply-To: <1467806529-23712-1-git-send-email-weiyj_lk@163.com>

On Wed, 2016-07-06 at 12:02 +0000, weiyj_lk@163.com wrote:
> From: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
> 
> In case of error, the function kstrndup() returns NULL pointer
> not ERR_PTR(). The IS_ERR() test in the return value check
> should be replaced with NULL test.
> 
> Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>

Looks good and inline with how other drivers use kstrndup(), thanks for
the fix.

Reviewed-by: Jay Freyensee <james_p_freyensee@linux.intel.com>

> ---
>  drivers/nvme/target/core.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/nvme/target/core.c b/drivers/nvme/target/core.c
> index e0b3f01..8a891ca 100644
> --- a/drivers/nvme/target/core.c
> +++ b/drivers/nvme/target/core.c
> @@ -895,7 +895,7 @@ struct nvmet_subsys *nvmet_subsys_alloc(const
> char *subsysnqn,
>  	subsys->type = type;
>  	subsys->subsysnqn = kstrndup(subsysnqn, NVMF_NQN_SIZE,
>  			GFP_KERNEL);
> -	if (IS_ERR(subsys->subsysnqn)) {
> +	if (!subsys->subsysnqn) {
>  		kfree(subsys);
>  		return NULL;
>  	}
> 
> 
> 
> _______________________________________________
> Linux-nvme mailing list
> Linux-nvme@lists.infradead.org
> http://lists.infradead.org/mailman/listinfo/linux-nvme

  reply	other threads:[~2016-07-08 22:27 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-07-06 12:02 [PATCH -next] nvmet: fix return value check in nvmet_subsys_alloc() weiyj_lk
2016-07-06 12:02 ` weiyj_lk
2016-07-08 22:27 ` J Freyensee [this message]
2016-07-08 22:27   ` J Freyensee
2016-07-12 15:34 ` Jens Axboe
2016-07-12 15:34   ` Jens Axboe
2016-07-13 10:37 ` Sagi Grimberg
2016-07-13 10:37   ` Sagi Grimberg

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