* [PATCH] gdth: don't map zero-length requests
@ 2006-02-05 15:36 Christoph Hellwig
2006-02-05 18:43 ` Jens Axboe
0 siblings, 1 reply; 3+ messages in thread
From: Christoph Hellwig @ 2006-02-05 15:36 UTC (permalink / raw)
To: jejb; +Cc: linux-scsi, axboe
From: Jenx Axboe <axboe@suse.de>
Don't map zero-length requests in gdth, zome architectures don't like
that in their dma mapping routines.
[ I'm pretty sure Jens posted this before, but for some reason it got
forgotten --hch ]
Index: linux-2.6/drivers/scsi/gdth.c
===================================================================
--- linux-2.6.orig/drivers/scsi/gdth.c 2006-01-16 16:19:38.000000000 +0100
+++ linux-2.6/drivers/scsi/gdth.c 2006-02-05 16:34:12.000000000 +0100
@@ -2816,7 +2816,7 @@
}
#endif
- } else {
+ } else if (scp->request_bufflen) {
scp->SCp.Status = GDTH_MAP_SINGLE;
scp->SCp.Message = (read_write == 1 ?
PCI_DMA_TODEVICE : PCI_DMA_FROMDEVICE);
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [PATCH] gdth: don't map zero-length requests
2006-02-05 15:36 [PATCH] gdth: don't map zero-length requests Christoph Hellwig
@ 2006-02-05 18:43 ` Jens Axboe
2006-02-05 20:08 ` James Bottomley
0 siblings, 1 reply; 3+ messages in thread
From: Jens Axboe @ 2006-02-05 18:43 UTC (permalink / raw)
To: Christoph Hellwig; +Cc: jejb, linux-scsi
On Sun, Feb 05 2006, Christoph Hellwig wrote:
> From: Jenx Axboe <axboe@suse.de>
>
> Don't map zero-length requests in gdth, zome architectures don't like
> that in their dma mapping routines.
>
> [ I'm pretty sure Jens posted this before, but for some reason it got
> forgotten --hch ]
Thanks for reposting Christoph, James can you please pick this up?
--
Jens Axboe
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [PATCH] gdth: don't map zero-length requests
2006-02-05 18:43 ` Jens Axboe
@ 2006-02-05 20:08 ` James Bottomley
0 siblings, 0 replies; 3+ messages in thread
From: James Bottomley @ 2006-02-05 20:08 UTC (permalink / raw)
To: Jens Axboe; +Cc: Christoph Hellwig, jejb, linux-scsi
On Sun, 2006-02-05 at 19:43 +0100, Jens Axboe wrote:
> Thanks for reposting Christoph, James can you please pick this up?
Got it in scsi-rc-fixes-2.6
James
^ permalink raw reply [flat|nested] 3+ messages in thread
end of thread, other threads:[~2006-02-05 20:08 UTC | newest]
Thread overview: 3+ messages (download: mbox.gz follow: Atom feed
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2006-02-05 15:36 [PATCH] gdth: don't map zero-length requests Christoph Hellwig
2006-02-05 18:43 ` Jens Axboe
2006-02-05 20:08 ` James Bottomley
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