diff options
| author | Webb Scales <webbnh@hp.com> | 2014-11-14 17:26:43 -0600 |
|---|---|---|
| committer | Christoph Hellwig <hch@lst.de> | 2014-11-20 09:11:23 +0100 |
| commit | 1a63ea6f244b10117601f96e7bde9f8d21ebe458 (patch) | |
| tree | 7340e33cc01a7858b7fed22eeb83f9b0e3e32610 /drivers/scsi/hpsa.c | |
| parent | 7d2cce58a765e802959471f8a7edd83f113ad637 (diff) | |
| download | lwn-1a63ea6f244b10117601f96e7bde9f8d21ebe458.tar.gz lwn-1a63ea6f244b10117601f96e7bde9f8d21ebe458.zip | |
hpsa: correct off-by-one sizing of chained SG block
Correct the size calculation of the chained SG block
Signed-off-by: Don Brace <don.brace@pmcs.com>
Signed-off-by: Webb Scales <webbnh@hp.com>
Reviewed-by: Stephen M. Cameron <stephenmcameron@gmail.com>
Reviewed-by: Don Brace <don.brace@pmcs.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'drivers/scsi/hpsa.c')
| -rw-r--r-- | drivers/scsi/hpsa.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/scsi/hpsa.c b/drivers/scsi/hpsa.c index f0984c62bec3..4ca94a5373d3 100644 --- a/drivers/scsi/hpsa.c +++ b/drivers/scsi/hpsa.c @@ -6321,11 +6321,11 @@ static void hpsa_find_board_params(struct ctlr_info *h) h->max_cmd_sg_entries = 31; if (h->maxsgentries > 512) { h->max_cmd_sg_entries = 32; - h->chainsize = h->maxsgentries - h->max_cmd_sg_entries + 1; + h->chainsize = h->maxsgentries - h->max_cmd_sg_entries; h->maxsgentries--; /* save one for chain pointer */ } else { - h->maxsgentries = 31; /* default to traditional values */ h->chainsize = 0; + h->maxsgentries = 31; /* default to traditional values */ } /* Find out what task management functions are supported and cache */ |