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[SCSI] isci: Fix NULL ptr dereference when no firmware is being loaded

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NULL orom ptr passed in for verification which caused page fault.
We will set a default version when we don't have orom struct.

Reported-by: Dan Melnic <dan@seamicro.com>
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
This commit is contained in:
Dave Jiang 2012-01-27 11:17:37 -08:00 committed by James Bottomley
parent a92fa25c63
commit 6d7938f46f
1 changed files with 3 additions and 1 deletions
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4
drivers/scsi/isci/host.c
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@ -1848,9 +1848,11 @@ static enum sci_status sci_oem_parameters_set(struct isci_host *ihost)
if (state == SCIC_RESET ||
state == SCIC_INITIALIZING ||
state == SCIC_INITIALIZED) {
u8 oem_version = pci_info->orom ? pci_info->orom->hdr.version :
ISCI_ROM_VER_1_0;
if (sci_oem_parameters_validate(&ihost->oem_parameters,
pci_info->orom->hdr.version))
oem_version))
return SCI_FAILURE_INVALID_PARAMETER_VALUE;
return SCI_SUCCESS;