scsi: megaraid: Remove set but unused variable

The variable remainder is unused in mega_div64_32(). Remove it to avoid a
compiler warning. While at it, also fix the function documentation
comments.

Link: https://lore.kernel.org/r/20200706123348.451871-1-damien.lemoal@wdc.com
Signed-off-by: Damien Le Moal <damien.lemoal@wdc.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

diff --git a/drivers/scsi/megaraid/megaraid_sas_fp.c b/drivers/scsi/megaraid/megaraid_sas_fp.c
index 3b3d04d..b6c08d6 100644 (file)
--- a/drivers/scsi/megaraid/megaraid_sas_fp.c
+++ b/drivers/scsi/megaraid/megaraid_sas_fp.c
@@ -80,21 +80,20 @@ u32 mega_mod64(u64 dividend, u32 divisor)
 }
 
 /**
- * @param dividend    : Dividend
- * @param divisor    : Divisor
+ * mega_div64_32 - Do a 64-bit division
+ * @dividend:  Dividend
+ * @divisor:   Divisor
  *
  * @return quotient
  **/
 static u64 mega_div64_32(uint64_t dividend, uint32_t divisor)
 {
-       u32 remainder;
-       u64 d;
+       u64 d = dividend;
 
        if (!divisor)
                printk(KERN_ERR "megasas : DIVISOR is zero in mod fn\n");
 
-       d = dividend;
-       remainder = do_div(d, divisor);
+       do_div(d, divisor);
 
        return d;
 }