scsi: mptfusion: Use snprintf() instead of open coded divisions

Numbers up to 100 snprintf() prints without using a division.  Besides
that the code looks more readable.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

drivers/message/fusion/mptctl.c

@@ -2481,24 +2481,13 @@ mptctl_hp_hostinfo(unsigned long arg, unsigned int data_size)
 	else
 		karg.host_no =  -1;
 
-	/* Reformat the fw_version into a string
-	 */
-	karg.fw_version[0] = ioc->facts.FWVersion.Struct.Major >= 10 ?
-		((ioc->facts.FWVersion.Struct.Major / 10) + '0') : '0';
-	karg.fw_version[1] = (ioc->facts.FWVersion.Struct.Major % 10 ) + '0';
-	karg.fw_version[2] = '.';
-	karg.fw_version[3] = ioc->facts.FWVersion.Struct.Minor >= 10 ?
-		((ioc->facts.FWVersion.Struct.Minor / 10) + '0') : '0';
-	karg.fw_version[4] = (ioc->facts.FWVersion.Struct.Minor % 10 ) + '0';
-	karg.fw_version[5] = '.';
-	karg.fw_version[6] = ioc->facts.FWVersion.Struct.Unit >= 10 ?
-		((ioc->facts.FWVersion.Struct.Unit / 10) + '0') : '0';
-	karg.fw_version[7] = (ioc->facts.FWVersion.Struct.Unit % 10 ) + '0';
-	karg.fw_version[8] = '.';
-	karg.fw_version[9] = ioc->facts.FWVersion.Struct.Dev >= 10 ?
-		((ioc->facts.FWVersion.Struct.Dev / 10) + '0') : '0';
-	karg.fw_version[10] = (ioc->facts.FWVersion.Struct.Dev % 10 ) + '0';
-	karg.fw_version[11] = '\0';
+	/* Reformat the fw_version into a string */
+	snprintf(karg.fw_version, sizeof(karg.fw_version),
+		 "%.2hhu.%.2hhu.%.2hhu.%.2hhu",
+		 ioc->facts.FWVersion.Struct.Major,
+		 ioc->facts.FWVersion.Struct.Minor,
+		 ioc->facts.FWVersion.Struct.Unit,
+		 ioc->facts.FWVersion.Struct.Dev);
 
 	/* Issue a config request to get the device serial number
 	 */