From: Wu Hao <hao.wu@intel.com>
To: Wei Yongjun <weiyongjun1@huawei.com>
Cc: Alan Tull <atull@kernel.org>, Moritz Fischer <mdf@kernel.org>,
Kang Luwei <luwei.kang@intel.com>,
linux-fpga@vger.kernel.org, kernel-janitors@vger.kernel.org
Subject: Re: [PATCH -next] fpga: dfl: fme: fix return value check in in pr_mgmt_init()
Date: Thu, 19 Jul 2018 21:42:56 +0800 [thread overview]
Message-ID: <20180719134256.GA27234@hao-dev> (raw)
In-Reply-To: <1532006214-104930-1-git-send-email-weiyongjun1@huawei.com>
On Thu, Jul 19, 2018 at 01:16:54PM +0000, Wei Yongjun wrote:
> In case of error, the function dfl_fme_create_region() returns ERR_PTR()
> and never returns NULL. The NULL test in the return value check should
> be replaced with IS_ERR().
This is a valid issue, thanks a lot for the fixing.
Hao
>
> Fixes: 29de76240e86 ("fpga: dfl: fme: add partial reconfiguration sub feature support")
> Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
> ---
> drivers/fpga/dfl-fme-pr.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/fpga/dfl-fme-pr.c b/drivers/fpga/dfl-fme-pr.c
> index fc9fd2d..0b84053 100644
> --- a/drivers/fpga/dfl-fme-pr.c
> +++ b/drivers/fpga/dfl-fme-pr.c
> @@ -420,7 +420,7 @@ static int pr_mgmt_init(struct platform_device *pdev,
> /* Create region for each port */
> fme_region = dfl_fme_create_region(pdata, mgr,
> fme_br->br, i);
> - if (!fme_region) {
> + if (IS_ERR(fme_region)) {
> ret = PTR_ERR(fme_region);
> goto destroy_region;
> }
>
> --
> To unsubscribe from this list: send the line "unsubscribe linux-fpga" in
> the body of a message to majordomo@vger.kernel.org
> More majordomo info at http://vger.kernel.org/majordomo-info.html
next prev parent reply other threads:[~2018-07-19 13:42 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-07-19 13:16 [PATCH -next] fpga: dfl: fme: fix return value check in in pr_mgmt_init() Wei Yongjun
2018-07-19 13:42 ` Wu Hao [this message]
2018-07-19 15:19 ` Moritz Fischer
2018-07-19 15:28 ` Alan Tull
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