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| author | Dave Jiang <dave.jiang@intel.com> | 2012-01-27 11:17:37 -0800 |
|---|---|---|
| committer | James Bottomley <JBottomley@Parallels.com> | 2012-02-18 08:37:00 -0600 |
| commit | 6d7938f46f89c9773f9396c1d13b20bbc5c6d95b (patch) | |
| tree | aac6b7756ec3952caf5a9c1b96822eaacf3cb77c /drivers/scsi/isci/host.c | |
| parent | a92fa25c63a788758bd52e9123504d133210c8b7 (diff) | |
| download | linux-stable-6d7938f46f89c9773f9396c1d13b20bbc5c6d95b.tar.gz linux-stable-6d7938f46f89c9773f9396c1d13b20bbc5c6d95b.tar.bz2 linux-stable-6d7938f46f89c9773f9396c1d13b20bbc5c6d95b.zip | |
[SCSI] isci: Fix NULL ptr dereference when no firmware is being loaded
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>
Diffstat (limited to 'drivers/scsi/isci/host.c')
| -rw-r--r-- | drivers/scsi/isci/host.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/scsi/isci/host.c b/drivers/scsi/isci/host.c index 1a65d6514237..418391b1c361 100644 --- a/drivers/scsi/isci/host.c +++ b/drivers/scsi/isci/host.c @@ -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; |