From: "Xu, Rosen" <rosen.xu@intel.com>
To: Li Qiang <liq3ea@163.com>, "Zhang, Tianfei" <tianfei.zhang@intel.com>
Cc: "dev@dpdk.org" <dev@dpdk.org>, "liq3ea@gmail.com" <liq3ea@gmail.com>
Subject: Re: [dpdk-dev] [PATCH v2] drivers: ifpga_rawdev: fix fd leak in rte_fpga_do_pr
Date: Thu, 11 Apr 2019 00:28:05 +0000 [thread overview]
Message-ID: <0E78D399C70DA940A335608C6ED296D73A69A8E5@SHSMSX104.ccr.corp.intel.com> (raw)
In-Reply-To: <20190410134313.5815-1-liq3ea@163.com>
> -----Original Message-----
> From: Li Qiang [mailto:liq3ea@163.com]
> Sent: Wednesday, April 10, 2019 21:43
> To: Xu, Rosen <rosen.xu@intel.com>; Zhang, Tianfei
> <tianfei.zhang@intel.com>
> Cc: dev@dpdk.org; liq3ea@gmail.com; Li Qiang <liq3ea@163.com>
> Subject: [PATCH v2] drivers: ifpga_rawdev: fix fd leak in rte_fpga_do_pr
>
> In rte_fpga_do_pr() function, if 'stat' return error the 'file_fd' is never closed
> thus leading a fd leak. This patch avoids this.
It's a bug fix, so pls add 'Fix XXX'.
> Spotted by Coverity: CID 27441
It should be Coverity issue: 279441
> Signed-off-by: Li Qiang <liq3ea@163.com>
pls add:
Cc: stable@dpdk.org
> ---
> Changes since v1: fill ret before goto close_fd per Rosen's review
>
> drivers/raw/ifpga_rawdev/ifpga_rawdev.c | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/raw/ifpga_rawdev/ifpga_rawdev.c
> b/drivers/raw/ifpga_rawdev/ifpga_rawdev.c
> index da772d026..eff001b59 100644
> --- a/drivers/raw/ifpga_rawdev/ifpga_rawdev.c
> +++ b/drivers/raw/ifpga_rawdev/ifpga_rawdev.c
> @@ -244,7 +244,8 @@ rte_fpga_do_pr(struct rte_rawdev *rawdev, int
> port_id,
> if (ret) {
> IFPGA_RAWDEV_PMD_ERR("stat on bitstream file
> failed: %s\n",
> file_name);
> - return -EINVAL;
> + ret = -EINVAL;
> + goto close_fd;
> }
> buffer_size = file_stat.st_size;
> IFPGA_RAWDEV_PMD_INFO("bitstream file size: %zu\n", buffer_size);
> --
> 2.17.1
>
next prev parent reply other threads:[~2019-04-11 0:28 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-04-10 13:43 Li Qiang
2019-04-10 13:43 ` Li Qiang
2019-04-11 0:28 ` Xu, Rosen [this message]
2019-04-11 0:28 ` Xu, Rosen
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