diff options
| author | Jenx Axboe <axboe@suse.de> | 2006-02-05 16:36:23 +0100 |
|---|---|---|
| committer | <jejb@mulgrave.il.steeleye.com> | 2006-02-05 12:59:29 -0600 |
| commit | 40cdc840dc337cb17d81bcf028b40834e78c1038 (patch) | |
| tree | 6d8bb794620cfe0c1daf3d35cb7ac8ab5d95ebf9 /drivers/scsi/gdth.c | |
| parent | f9876f0b67c3f0b04ee2167602df54e7ae139ad7 (diff) | |
| download | lwn-40cdc840dc337cb17d81bcf028b40834e78c1038.tar.gz lwn-40cdc840dc337cb17d81bcf028b40834e78c1038.zip | |
[SCSI] gdth: don't map zero-length requests
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 ]
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Diffstat (limited to 'drivers/scsi/gdth.c')
| -rw-r--r-- | drivers/scsi/gdth.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/scsi/gdth.c b/drivers/scsi/gdth.c index bd3ffdf6c800..62e3cda859af 100644 --- a/drivers/scsi/gdth.c +++ b/drivers/scsi/gdth.c @@ -2816,7 +2816,7 @@ static int gdth_fill_cache_cmd(int hanum,Scsi_Cmnd *scp,ushort hdrive) } #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); |