[PATCH linux dev-4.10] hwmon: occ: Fix uninitialised variable warning

[Andrew Jeffery]

Observed the following:

      CC      drivers/hwmon/occ/common.o
    drivers/hwmon/occ/common.c: In function ‘occ_show_status’:
    drivers/hwmon/occ/common.c:262:9: warning: ‘val’ may be used uninitialized in this function [-Wmaybe-uninitialized]
      return snprintf(buf, PAGE_SIZE - 1, "%d\n", val);
             ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Signed-off-by: Andrew Jeffery <andrew at aj.id.au>
---
 drivers/hwmon/occ/common.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/hwmon/occ/common.c b/drivers/hwmon/occ/common.c
index f34b40062479..d3eb6f83a42c 100644
--- a/drivers/hwmon/occ/common.c
+++ b/drivers/hwmon/occ/common.c
@@ -257,6 +257,8 @@ static ssize_t occ_show_status(struct device *dev,
 	case 6:
 		val = header->occ_state;
 		break;
+	default:
+		return -EINVAL;
 	}
 
 	return snprintf(buf, PAGE_SIZE - 1, "%d\n", val);
-- 
2.11.0