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path: root/drivers/scsi/mpt2sas/mpt2sas_base.c
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Diffstat (limited to 'drivers/scsi/mpt2sas/mpt2sas_base.c')
-rw-r--r--drivers/scsi/mpt2sas/mpt2sas_base.c16
1 files changed, 9 insertions, 7 deletions
diff --git a/drivers/scsi/mpt2sas/mpt2sas_base.c b/drivers/scsi/mpt2sas/mpt2sas_base.c
index 11248de92b3b..6dec7cff316f 100644
--- a/drivers/scsi/mpt2sas/mpt2sas_base.c
+++ b/drivers/scsi/mpt2sas/mpt2sas_base.c
@@ -1557,7 +1557,8 @@ mpt2sas_base_map_resources(struct MPT2SAS_ADAPTER *ioc)
goto out_fail;
}
- for (i = 0, memap_sz = 0, pio_sz = 0 ; i < DEVICE_COUNT_RESOURCE; i++) {
+ for (i = 0, memap_sz = 0, pio_sz = 0; (i < DEVICE_COUNT_RESOURCE) &&
+ (!memap_sz || !pio_sz); i++) {
if (pci_resource_flags(pdev, i) & IORESOURCE_IO) {
if (pio_sz)
continue;
@@ -1572,16 +1573,17 @@ mpt2sas_base_map_resources(struct MPT2SAS_ADAPTER *ioc)
chip_phys = (u64)ioc->chip_phys;
memap_sz = pci_resource_len(pdev, i);
ioc->chip = ioremap(ioc->chip_phys, memap_sz);
- if (ioc->chip == NULL) {
- printk(MPT2SAS_ERR_FMT "unable to map "
- "adapter memory!\n", ioc->name);
- r = -EINVAL;
- goto out_fail;
- }
}
}
}
+ if (ioc->chip == NULL) {
+ printk(MPT2SAS_ERR_FMT "unable to map adapter memory! "
+ "or resource not found\n", ioc->name);
+ r = -EINVAL;
+ goto out_fail;
+ }
+
_base_mask_interrupts(ioc);
r = _base_get_ioc_facts(ioc, CAN_SLEEP);