Merge branch 'pci/misc'

- Update kernel-doc to match function prototypes (Mauro Carvalho Chehab)

- Bounds-check "pci=resource_alignment=" requests (Bjorn Helgaas)

- Fix integer overflow in "pci=resource_alignment=" requests (Colin Ian
  King)

- Remove unused HAVE_PCI_SET_MWI definition (Heiner Kallweit)

- Reduce pci_set_cacheline_size() message to debug level (Heiner Kallweit)

* pci/misc:
  PCI: Reduce pci_set_cacheline_size() message to debug level
  PCI: Remove unused HAVE_PCI_SET_MWI
  PCI: Fix overflow in command-line resource alignment requests
  PCI: Bounds-check command-line resource alignment requests
  PCI: Fix kernel-doc markup

# Conflicts:
#	drivers/pci/pci-driver.c

1 files changed, 10 insertions, 8 deletions

diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index d4ccfd9e6db9..9f538d879538 100644
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -3487,7 +3487,7 @@ bool pci_acs_enabled(struct pci_dev *pdev, u16 acs_flags)
 }
 
 /**
- * pci_acs_path_enable - test ACS flags from start to end in a hierarchy
+ * pci_acs_path_enabled - test ACS flags from start to end in a hierarchy
  * @start: starting downstream device
  * @end: ending upstream device or NULL to search to the root bus
  * @acs_flags: required flags
@@ -4331,7 +4331,7 @@ int pci_set_cacheline_size(struct pci_dev *dev)
 	if (cacheline_size == pci_cache_line_size)
 		return 0;
 
-	pci_info(dev, "cache line size of %d is not supported\n",
+	pci_dbg(dev, "cache line size of %d is not supported\n",
 		   pci_cache_line_size << 2);
 
 	return -EINVAL;
@@ -6216,19 +6216,21 @@ static resource_size_t pci_specified_resource_alignment(struct pci_dev *dev,
 	while (*p) {
 		count = 0;
 		if (sscanf(p, "%d%n", &align_order, &count) == 1 &&
-							p[count] == '@') {
+		    p[count] == '@') {
 			p += count + 1;
+			if (align_order > 63) {
+				pr_err("PCI: Invalid requested alignment (order %d)\n",
+				       align_order);
+				align_order = PAGE_SHIFT;
+			}
 		} else {
-			align_order = -1;
+			align_order = PAGE_SHIFT;
 		}
 
 		ret = pci_dev_str_match(dev, p, &p);
 		if (ret == 1) {
 			*resize = true;
-			if (align_order == -1)
-				align = PAGE_SIZE;
-			else
-				align = 1 << align_order;
+			align = 1ULL << align_order;
 			break;
 		} else if (ret < 0) {
 			pr_err("PCI: Can't parse resource_alignment parameter: %s\n",