hwmon: (ltc2945) Don't crash the kernel unnecessarily

An implementation error should not crash the kernel if it is avoidable.
Replace BUG() with WARN_ONCE().

Signed-off-by: Guenter Roeck <linux@roeck-us.net>

1 files changed, 3 insertions, 3 deletions

diff --git a/drivers/hwmon/ltc2945.c b/drivers/hwmon/ltc2945.c
index c104cc32989d..c9cddf5f056b 100644
--- a/drivers/hwmon/ltc2945.c
+++ b/drivers/hwmon/ltc2945.c
@@ -1,4 +1,4 @@
-/*
+    /*
  * Driver for Linear Technology LTC2945 I2C Power Monitor
  *
  * Copyright (c) 2014 Guenter Roeck
@@ -314,8 +314,8 @@ static ssize_t ltc2945_reset_history(struct device *dev,
                 reg = LTC2945_MAX_ADIN_H;
                 break;
         default:
-                BUG();
-                break;
+                WARN_ONCE(1, "Bad register: 0x%x\n", reg);
+                return -EINVAL;
         }
         /* Reset maximum */
         ret = regmap_bulk_write(regmap, reg, buf_max, num_regs);