summaryrefslogtreecommitdiffstats
path: root/drivers/scsi/isci
diff options
context:
space:
mode:
authorDan Williams2012-04-30 20:57:44 +0200
committerDan Williams2012-05-17 21:27:29 +0200
commitfc25f79af321c01a739150ba2c09435cf977a63d (patch)
treeb251a8a7399c9e991d084857b2d1a7b5c07c24e2 /drivers/scsi/isci
parentisci: enable BCN in sci_port_add_phy() (diff)
downloadkernel-qcow2-linux-fc25f79af321c01a739150ba2c09435cf977a63d.tar.gz
kernel-qcow2-linux-fc25f79af321c01a739150ba2c09435cf977a63d.tar.xz
kernel-qcow2-linux-fc25f79af321c01a739150ba2c09435cf977a63d.zip
isci: fix oem parameter validation on single controller skus
OEM parameters [1] are parsed from the platform option-rom / efi driver. By default the driver was validating the parameters for the dual-controller case, but in single-controller case only the first set of parameters may be valid. Limit the validation to the number of actual controllers detected otherwise the driver may fail to parse the valid parameters leading to driver-load or runtime failures. [1] the platform specific set of phy address, configuration,and analog tuning values [stable v3.0+] Cc: <stable@vger.kernel.org> Reported-by: Dave Jiang <dave.jiang@intel.com> Tested-by: Dave Jiang <dave.jiang@intel.com> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Diffstat (limited to 'drivers/scsi/isci')
-rw-r--r--drivers/scsi/isci/init.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/scsi/isci/init.c b/drivers/scsi/isci/init.c
index fdae42f572b6..9e1c83e425ed 100644
--- a/drivers/scsi/isci/init.c
+++ b/drivers/scsi/isci/init.c
@@ -639,7 +639,7 @@ static int __devinit isci_pci_probe(struct pci_dev *pdev, const struct pci_devic
if (!orom)
orom = isci_request_oprom(pdev);
- for (i = 0; orom && i < ARRAY_SIZE(orom->ctrl); i++) {
+ for (i = 0; orom && i < num_controllers(pdev); i++) {
if (sci_oem_parameters_validate(&orom->ctrl[i],
orom->hdr.version)) {
dev_warn(&pdev->dev,