[PATCH v3] raw/ifpga: initialize scalar variable before using

[Xu, Rosen]

Hi,

> -----Original Message-----
> From: Huang, Wei <wei.huang at intel.com>
> Sent: Monday, February 21, 2022 10:20
> To: dev at dpdk.org; Xu, Rosen <rosen.xu at intel.com>; Zhang, Qi Z
> <qi.z.zhang at intel.com>; nipun.gupta at nxp.com; hemant.agrawal at nxp.com
> Cc: stable at dpdk.org; Zhang, Tianfei <tianfei.zhang at intel.com>; Yigit, Ferruh
> <ferruh.yigit at intel.com>; Huang, Wei <wei.huang at intel.com>
> Subject: [PATCH v3] raw/ifpga: initialize scalar variable before using
> 
> Scalar variable sub_brg_bdf may be used uninitialized in function
> ifpga_rawdev_fill_info(). It is initialized now in this fix.
> 
> Fixes: 9c006c45d0c5 ("raw/ifpga: scan PCIe BDF device tree")
> Cc: stable at dpdk.org
> 
> Signed-off-by: Wei Huang <wei.huang at intel.com>
> ---
> v2: add space after comma to meet coding style requirement
> ---
> v3: refine log
> ---
>  drivers/raw/ifpga/ifpga_rawdev.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/raw/ifpga/ifpga_rawdev.c
> b/drivers/raw/ifpga/ifpga_rawdev.c
> index b73512d..c133a94 100644
> --- a/drivers/raw/ifpga/ifpga_rawdev.c
> +++ b/drivers/raw/ifpga/ifpga_rawdev.c
> @@ -216,7 +216,7 @@ static int ifpga_rawdev_fill_info(struct ifpga_rawdev
> *ifpga_dev,
>  	char dir[1024] = "/sys/devices/";
>  	char *c;
>  	int ret;
> -	char sub_brg_bdf[4][16];
> +	char sub_brg_bdf[4][16] = {{0}, {0}, {0}, {0}};
>  	int point;
>  	DIR *dp = NULL;
>  	struct dirent *entry;
> --
> 1.8.3.1

Acked-by: Rosen Xu <rosen.xu at intel.com>