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, 18 insertions, 2 deletions

diff --git a/drivers/pci/pci-sysfs.c b/drivers/pci/pci-sysfs.c
index 8dcf1458aa2f..8d9d648daeba 100644
--- a/drivers/pci/pci-sysfs.c
+++ b/drivers/pci/pci-sysfs.c
@@ -73,8 +73,23 @@ static ssize_t local_cpus_show(struct device *dev,
 
         mask = pcibus_to_cpumask(to_pci_dev(dev)->bus);
         len = cpumask_scnprintf(buf, PAGE_SIZE-2, mask);
-        strcat(buf,"\n"); 
-        return 1+len;
+        buf[len++] = '\n';
+        buf[len] = '\0';
+        return len;
+}
+
+
+static ssize_t local_cpulist_show(struct device *dev,
+                        struct device_attribute *attr, char *buf)
+{
+        cpumask_t mask;
+        int len;
+
+        mask = pcibus_to_cpumask(to_pci_dev(dev)->bus);
+        len = cpulist_scnprintf(buf, PAGE_SIZE-2, mask);
+        buf[len++] = '\n';
+        buf[len] = '\0';
+        return len;
 }
 
 /* show resources */
@@ -201,6 +216,7 @@ struct device_attribute pci_dev_attrs[] = {
         __ATTR_RO(class),
         __ATTR_RO(irq),
         __ATTR_RO(local_cpus),
+        __ATTR_RO(local_cpulist),
         __ATTR_RO(modalias),
 #ifdef CONFIG_NUMA
         __ATTR_RO(numa_node),