summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorWebb Scales <webbnh@hp.com>2014-11-15 00:26:43 +0100
committerChristoph Hellwig <hch@lst.de>2014-11-20 09:11:23 +0100
commit1a63ea6f244b10117601f96e7bde9f8d21ebe458 (patch)
tree7340e33cc01a7858b7fed22eeb83f9b0e3e32610
parenthpsa: fix a couple pci id table mistakes (diff)
downloadlinux-1a63ea6f244b10117601f96e7bde9f8d21ebe458.tar.xz
linux-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>
-rw-r--r--drivers/scsi/hpsa.c4
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 */