linux-kernel - Re: libata passthru: support PIO multi commands

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Message-ID: <20070611233917.4bd8c6d7@the-village.bc.nu>
Date:	Mon, 11 Jun 2007 23:39:17 +0100
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Cc:	jeff@...zik.org
Subject: Re: libata passthru: support PIO multi commands

> +	if (is_multi_taskfile(tf)) {
> +		unsigned int multi_count = 1 << (cdb[1] >> 5);
> +
> +		/* compare the passed through multi_count
> +		 * with the cached multi_count of libata
> +		 */
> +		if (multi_count != dev->multi_count)
> +			ata_dev_printk(dev, KERN_WARNING,
> +				       "invalid multi_count %u ignored\n",
> +				       multi_count);
> +	}

What limits log spamming here ? Also shouldn't we error this
situation not proceed and hope that enough data was supplied not
to leave us stuck half way through a command having made a nasty
mess on disk ?
	
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/