[PATCH 3.2 126/147] staging: comedi: vmk80xx: fix compiler warning

From: Ben Hutchings
Date: Mon Nov 06 2017 - 20:27:46 EST


3.2.95-rc1 review patch. If anyone has any objections, please let me know.

------------------

From: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>

commit 13f7952f8f13fb1bbd18b85988e3a5bbbed00879 upstream.

gcc complains about some potentially uninitalized variables here, yet it
can not happen, due to an enumerated type (either the board is one type
or the other.) Make the compiler happy by providing a default case
option that makes the logic a bit simpler for it to determine that there
really isn't a problem here.

Cc: H Hartley Sweeten <hartleys@xxxxxxxxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
Signed-off-by: Ben Hutchings <ben@xxxxxxxxxxxxxxx>
---
drivers/staging/comedi/drivers/vmk80xx.c | 2 ++
1 file changed, 2 insertions(+)

--- a/drivers/staging/comedi/drivers/vmk80xx.c
+++ b/drivers/staging/comedi/drivers/vmk80xx.c
@@ -605,6 +605,7 @@ static int vmk80xx_ai_rinsn(struct comed
reg[0] = VMK8055_AI2_REG;
break;
case VMK8061_MODEL:
+ default:
reg[0] = VMK8061_AI_REG1;
reg[1] = VMK8061_AI_REG2;
dev->usb_tx_buf[0] = VMK8061_CMD_RD_AI;
@@ -979,6 +980,7 @@ static int vmk80xx_cnt_rinsn(struct come
reg[0] = VMK8055_CNT2_REG;
break;
case VMK8061_MODEL:
+ default:
reg[0] = VMK8061_CNT_REG;
reg[1] = VMK8061_CNT_REG;
dev->usb_tx_buf[0] = VMK8061_CMD_RD_CNT;