[SCSI] aacraid: add support for long serial number information

Support displaying long serial number information. Reuse sysfs handler
internally as helper.

Signed-off-by: Mark Salyzyn <aacraid@adaptec.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>

1 files changed, 9 insertions, 3 deletions

diff --git a/drivers/scsi/aacraid/linit.c b/drivers/scsi/aacraid/linit.c
index 3870bd61f418..4fda01e97f46 100644
--- a/drivers/scsi/aacraid/linit.c
+++ b/drivers/scsi/aacraid/linit.c
@@ -770,15 +770,21 @@ static ssize_t aac_show_bios_version(struct class_device *class_dev,
         return len;
 }
 
-static ssize_t aac_show_serial_number(struct class_device *class_dev,
-                char *buf)
+ssize_t aac_show_serial_number(struct class_device *class_dev, char *buf)
 {
         struct aac_dev *dev = (struct aac_dev*)class_to_shost(class_dev)->hostdata;
         int len = 0;
 
         if (le32_to_cpu(dev->adapter_info.serial[0]) != 0xBAD0)
-                len = snprintf(buf, PAGE_SIZE, "%x\n",
+                len = snprintf(buf, PAGE_SIZE, "%06X\n",
                   le32_to_cpu(dev->adapter_info.serial[0]));
+        if (len &&
+          !memcmp(&dev->supplement_adapter_info.MfgPcbaSerialNo[
+            sizeof(dev->supplement_adapter_info.MfgPcbaSerialNo)+2-len],
+          buf, len))
+                len = snprintf(buf, PAGE_SIZE, "%.*s\n",
+                  (int)sizeof(dev->supplement_adapter_info.MfgPcbaSerialNo),
+                  dev->supplement_adapter_info.MfgPcbaSerialNo);
         return len;
 }