Re: [PATCH V3 2/2] mkfs.f2fs: skip extension name that is too long

[Sheng Yong <shengyong1@huawei.com>]

Hi, Chao Yu, Jaegeuk

I'm not sure if it is ok to send this patch out by me. If I did it the
wrong way, please ignore this patch.

thanks,
Sheng

On 11/30/2015 6:41 PM, Sheng Yong wrote:
> From: Chao Yu <chao2.yu@samsung.com>
> 
> The length of extension name has a limit of 8 bytes. If an extension
> exceeds the limitation, it will not be added to the extension_list.
> 
> Signed-off-by: Chao Yu <chao2.yu@samsung.com>
> Signed-off-by: Sheng Yong <shengyong1@huawei.com>
> ---
>  mkfs/f2fs_format.c | 5 +++++
>  1 file changed, 5 insertions(+)
> 
> diff --git a/mkfs/f2fs_format.c b/mkfs/f2fs_format.c
> index a29d7ef..212df60 100644
> --- a/mkfs/f2fs_format.c
> +++ b/mkfs/f2fs_format.c
> @@ -157,8 +157,13 @@ static void configure_extension_list(void)
>  	ue = strtok(ext_str, ", ");
>  	while (ue != NULL) {
>  		name_len = strlen(ue);
> +		if (name_len >= 8) {
> +			MSG(0, "\tWarn: Extension name (%s) is too long\n", ue);
> +			goto next;
> +		}
>  		if (!is_extension_exist(ue))
>  			memcpy(sb.extension_list[i++], ue, name_len);
> +next:
>  		ue = strtok(NULL, ", ");
>  		if (i >= F2FS_MAX_EXTENSION)
>  			break;
> 


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