scsi: megaraid: Remove set but unused variable

In mega_is_bios_enabled(), the variable ret is set but unused. Remove it to
avoid a compiler warning.

Link: https://lore.kernel.org/r/20200706123352.452003-1-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.c b/drivers/scsi/megaraid.c
index acd7c6e..0484ee5 100644 (file)
--- a/drivers/scsi/megaraid.c
+++ b/drivers/scsi/megaraid.c
@@ -3571,7 +3571,6 @@ mega_is_bios_enabled(adapter_t *adapter)
 {
        unsigned char   raw_mbox[sizeof(struct mbox_out)];
        mbox_t  *mbox;
-       int     ret;
 
        mbox = (mbox_t *)raw_mbox;
 
@@ -3584,8 +3583,7 @@ mega_is_bios_enabled(adapter_t *adapter)
        raw_mbox[0] = IS_BIOS_ENABLED;
        raw_mbox[2] = GET_BIOS;
 
-
-       ret = issue_scb_block(adapter, raw_mbox);
+       issue_scb_block(adapter, raw_mbox);
 
        return *(char *)adapter->mega_buffer;
 }