Re: [PATCH] affs_fill_super() %s abuses

[Andreas Schwab]

Roman Zippel <zippel@xxxxxxxxxxxxxx> writes:

> Hi,
>
> On Thu, 15 Jun 2006, Al Viro wrote:
>
>> @@ -420,11 +422,17 @@ got_root:
>>  	}
>>  
>>  	if (mount_flags & SF_VERBOSE) {
>> -		chksum = cpu_to_be32(chksum);
>> -		printk(KERN_NOTICE "AFFS: Mounting volume \"%*s\": Type=%.3s\\%c, Blocksize=%d\n",
>> -			AFFS_ROOT_TAIL(sb, root_bh)->disk_name[0],
>> -			AFFS_ROOT_TAIL(sb, root_bh)->disk_name + 1,
>> -			(char *)&chksum,((char *)&chksum)[3] + '0',blocksize);
>> +		int len = AFFS_ROOT_TAIL(sb, root_bh)->disk_name[0];
>> +		char name[32];
>> +
>> +		if (len > 31)
>> +			len = 31;
>
> You get the same effect by changing it above into "min(AFFS_ROOT_TAIL(sb, 
> root_bh)->disk_name[0], 31)" and makes the copying unnecessary.

And "%*s" needs to be changed to "%.*s" (the former still requires a
NUL-terminated string).

Andreas.

-- 
Andreas Schwab, SuSE Labs, schwab@xxxxxxx
SuSE Linux Products GmbH, Maxfeldstraße 5, 90409 Nürnberg, Germany
PGP key fingerprint = 58CA 54C7 6D53 942B 1756  01D3 44D5 214B 8276 4ED5
"And now for something completely different."
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/