diff options
| author | Al Viro <viro@ftp.linux.org.uk> | 2007-10-29 07:51:16 +0300 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-10-29 17:41:32 +0300 |
| commit | 4fe05bbcd53160616774b6f5619b8a55bcfa1c57 (patch) | |
| tree | f6b03c6b5013ddb3ab13f7521d593d6bed5b1886 /drivers/pci | |
| parent | b4a08a10b12c145da67cc788849bf7cc6efaa210 (diff) | |
| download | linux-4fe05bbcd53160616774b6f5619b8a55bcfa1c57.tar.xz | |
intel-iommu fixes
- off by one in dmar_get_fault_reason() (maximal index in array is
ARRAY_SIZE()-1, not ARRAY_SIZE())
- NULL noise removal
- __iomem annotation fix
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/pci')
| -rw-r--r-- | drivers/pci/intel-iommu.c | 7 | ||||
| -rw-r--r-- | drivers/pci/intel-iommu.h | 2 |
2 files changed, 4 insertions, 5 deletions
diff --git a/drivers/pci/intel-iommu.c b/drivers/pci/intel-iommu.c index 0c4ab3b07274..9b35259eecfa 100644 --- a/drivers/pci/intel-iommu.c +++ b/drivers/pci/intel-iommu.c @@ -745,7 +745,7 @@ static char *fault_reason_strings[] = "non-zero reserved fields in PTE", "Unknown" }; -#define MAX_FAULT_REASON_IDX ARRAY_SIZE(fault_reason_strings) +#define MAX_FAULT_REASON_IDX ARRAY_SIZE(fault_reason_strings) - 1 char *dmar_get_fault_reason(u8 fault_reason) { @@ -995,7 +995,6 @@ static struct intel_iommu *alloc_iommu(struct dmar_drhd_unit *drhd) return iommu; error_unmap: iounmap(iommu->reg); - iommu->reg = 0; error: kfree(iommu); return NULL; @@ -1808,7 +1807,7 @@ get_valid_domain_for_dev(struct pci_dev *pdev) if (!domain) { printk(KERN_ERR "Allocating domain for %s failed", pci_name(pdev)); - return 0; + return NULL; } /* make sure context mapping is ok */ @@ -1818,7 +1817,7 @@ get_valid_domain_for_dev(struct pci_dev *pdev) printk(KERN_ERR "Domain context map for %s failed", pci_name(pdev)); - return 0; + return NULL; } } diff --git a/drivers/pci/intel-iommu.h b/drivers/pci/intel-iommu.h index ee88dd2400cb..459ad1f9dc54 100644 --- a/drivers/pci/intel-iommu.h +++ b/drivers/pci/intel-iommu.h @@ -58,7 +58,7 @@ hi = readl(dmar + reg + 4); \ (((u64) hi) << 32) + lo; }) */ -static inline u64 dmar_readq(void *addr) +static inline u64 dmar_readq(void __iomem *addr) { u32 lo, hi; lo = readl(addr); |