1 files changed, 4 insertions, 5 deletions

diff --git a/drivers/mtd/maps/vmu-flash.c b/drivers/mtd/maps/vmu-flash.c
index 1f73297e7776..82afad0ddd72 100644
--- a/drivers/mtd/maps/vmu-flash.c
+++ b/drivers/mtd/maps/vmu-flash.c
@@ -612,16 +612,15 @@ static int __devinit vmu_connect(struct maple_device *mdev)
 
         test_flash_data = be32_to_cpu(mdev->devinfo.function);
         /* Need to count how many bits are set - to find out which
-         * function_data element has details of the memory card:
-         * using Brian Kernighan's/Peter Wegner's method */
-        for (c = 0; test_flash_data; c++)
-                test_flash_data &= test_flash_data - 1;
+         * function_data element has details of the memory card
+         */
+        c = hweight_long(test_flash_data);
 
         basic_flash_data = be32_to_cpu(mdev->devinfo.function_data[c - 1]);
 
         card = kmalloc(sizeof(struct memcard), GFP_KERNEL);
         if (!card) {
-                error = ENOMEM;
+                error = -ENOMEM;
                 goto fail_nomem;
         }