cpumask: use new cpus_scnprintf function

  * Cleaned up references to cpumask_scnprintf() and added new
    cpulist_scnprintf() interfaces where appropriate.

  * Fix some small bugs (or code efficiency improvments) for various uses
    of cpumask_scnprintf.

  * Clean up some checkpatch errors.

Signed-off-by: Mike Travis <travis@sgi.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

1 files changed, 23 insertions, 4 deletions

diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c
index 2db2e4bb0d1e..4b3011a23eff 100644
--- a/drivers/pci/probe.c
+++ b/drivers/pci/probe.c
@@ -82,6 +82,7 @@ void pci_remove_legacy_files(struct pci_bus *bus) { return; }
  * PCI Bus Class Devices
  */
 static ssize_t pci_bus_show_cpuaffinity(struct device *dev,
+                                        int type,
                                         struct device_attribute *attr,
                                         char *buf)
 {
@@ -89,12 +90,30 @@ static ssize_t pci_bus_show_cpuaffinity(struct device *dev,
         cpumask_t cpumask;
 
         cpumask = pcibus_to_cpumask(to_pci_bus(dev));
-        ret = cpumask_scnprintf(buf, PAGE_SIZE, cpumask);
-        if (ret < PAGE_SIZE)
-                buf[ret++] = '\n';
+        ret = type?
+                cpulist_scnprintf(buf, PAGE_SIZE-2, cpumask):
+                cpumask_scnprintf(buf, PAGE_SIZE-2, cpumask);
+        buf[ret++] = '\n';
+        buf[ret] = '\0';
         return ret;
 }
-DEVICE_ATTR(cpuaffinity, S_IRUGO, pci_bus_show_cpuaffinity, NULL);
+
+static ssize_t inline pci_bus_show_cpumaskaffinity(struct device *dev,
+                                        struct device_attribute *attr,
+                                        char *buf)
+{
+        return pci_bus_show_cpuaffinity(dev, 0, attr, buf);
+}
+
+static ssize_t inline pci_bus_show_cpulistaffinity(struct device *dev,
+                                        struct device_attribute *attr,
+                                        char *buf)
+{
+        return pci_bus_show_cpuaffinity(dev, 1, attr, buf);
+}
+
+DEVICE_ATTR(cpuaffinity,     S_IRUGO, pci_bus_show_cpumaskaffinity, NULL);
+DEVICE_ATTR(cpulistaffinity, S_IRUGO, pci_bus_show_cpulistaffinity, NULL);
 
 /*
  * PCI Bus Class