1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/hwmon/w83781d.c b/drivers/hwmon/w83781d.c
index c95909cc1d21..dcc941a5aaff 100644
--- a/drivers/hwmon/w83781d.c
+++ b/drivers/hwmon/w83781d.c
@@ -1746,7 +1746,7 @@ w83781d_isa_device_add(unsigned short address)
 {
         struct resource res = {
                 .start  = address,
-                .end    = address + W83781D_EXTENT,
+                .end    = address + W83781D_EXTENT - 1,
                 .name   = "w83781d",
                 .flags  = IORESOURCE_IO,
         };