scsi: qla4xxx: Remove set but unused variable 'func_number'

Fixes the following W=1 kernel build warning(s):

 drivers/scsi/qla4xxx/ql4_init.c: In function ‘ql4xxx_set_mac_number’:
 drivers/scsi/qla4xxx/ql4_init.c:17:10: warning: variable ‘func_number’ set but not used [-Wunused-but-set-variable]

Link: https://lore.kernel.org/r/20200721164148.2617584-13-lee.jones@linaro.org
Cc: QLogic-Storage-Upstream@qlogic.com
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

diff --git a/drivers/scsi/qla4xxx/ql4_init.c b/drivers/scsi/qla4xxx/ql4_init.c
index 5963127..82f6e7f 100644 (file)
--- a/drivers/scsi/qla4xxx/ql4_init.c
+++ b/drivers/scsi/qla4xxx/ql4_init.c
@@ -14,7 +14,6 @@
 static void ql4xxx_set_mac_number(struct scsi_qla_host *ha)
 {
        uint32_t value;
-       uint8_t func_number;
        unsigned long flags;
 
        /* Get the function number */
@@ -22,7 +21,6 @@ static void ql4xxx_set_mac_number(struct scsi_qla_host *ha)
        value = readw(&ha->reg->ctrl_status);
        spin_unlock_irqrestore(&ha->hardware_lock, flags);
 
-       func_number = (uint8_t) ((value >> 4) & 0x30);
        switch (value & ISP_CONTROL_FN_MASK) {
        case ISP_CONTROL_FN0_SCSI:
                ha->mac_index = 1;