Re: [git patches] libata fixes
From: Andrew Morton <akpm@linux-foundation.org>
Date: 2007-06-27 07:39:01
Also in:
lkml
On Wed, 27 Jun 2007 03:35:26 -0400 Jeff Garzik [off-list ref] wrote:
+ /* Don't allow DMA if it isn't multiple of 16 bytes. Quite a + * few ATAPI devices choke on such DMA requests. + */ + if (unlikely(qc->nbytes & 15)) + return 1;
It might be worth emitting a diagnostic when this happens.