Re: [patch 2/2] target: don't truncate the fail intr address

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Thu, 2013-01-31 at 11:19 +0300, Dan Carpenter wrote:
> The temporary buffer was only 32 characters but ->last_intr_fail_ip_addr
> is a 48 character buffer.  We don't need to use a temporary buffer at
> all, we can just print directly to "page".
> 
> Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
> ---

Also applied to for-next.

Thanks Dan!

--nab

> Compile tested only.
> 
> diff --git a/drivers/target/iscsi/iscsi_target_stat.c b/drivers/target/iscsi/iscsi_target_stat.c
> index 54a6f38..464b420 100644
> --- a/drivers/target/iscsi/iscsi_target_stat.c
> +++ b/drivers/target/iscsi/iscsi_target_stat.c
> @@ -429,16 +429,19 @@ static ssize_t iscsi_stat_tgt_attr_show_attr_fail_intr_addr(
>  	struct iscsi_tiqn *tiqn = container_of(igrps,
>  			struct iscsi_tiqn, tiqn_stat_grps);
>  	struct iscsi_login_stats *lstat = &tiqn->login_stats;
> -	unsigned char buf[32];
> +	int ret;
>  
>  	spin_lock(&lstat->lock);
> -	if (lstat->last_intr_fail_ip_family == AF_INET6)
> -		snprintf(buf, 32, "[%s]", lstat->last_intr_fail_ip_addr);
> -	else
> -		snprintf(buf, 32, "%s", lstat->last_intr_fail_ip_addr);
> +	if (lstat->last_intr_fail_ip_family == AF_INET6) {
> +		ret = snprintf(page, PAGE_SIZE, "[%s]\n",
> +			       lstat->last_intr_fail_ip_addr);
> +	} else {
> +		ret = snprintf(page, PAGE_SIZE, "%s\n",
> +			       lstat->last_intr_fail_ip_addr);
> +	}
>  	spin_unlock(&lstat->lock);
>  
> -	return snprintf(page, PAGE_SIZE, "%s\n", buf);
> +	return ret;
>  }
>  ISCSI_STAT_TGT_ATTR_RO(fail_intr_addr);
>  
> --
> To unsubscribe from this list: send the line "unsubscribe target-devel" in
> the body of a message to majordomo@xxxxxxxxxxxxxxx
> More majordomo info at  http://vger.kernel.org/majordomo-info.html


--
To unsubscribe from this list: send the line "unsubscribe kernel-janitors" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html


[Index of Archives]     [Kernel Development]     [Kernel Announce]     [Kernel Newbies]     [Linux Networking Development]     [Share Photos]     [IDE]     [Security]     [Git]     [Netfilter]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Device Mapper]

  Powered by Linux