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authorGuenter Roeck <linux@roeck-us.net>2014-04-21 10:38:08 -0700
committerGuenter Roeck <linux@roeck-us.net>2014-04-24 06:09:43 -0700
commitf75d72309192e52ef9a3efb390b1c4f408c142df (patch)
tree7ba34fb0c598fca268d0db9e9f3c3585e62c565f
parentb2e5411ee26bff1deefd0b2c7beec9c133632e65 (diff)
downloadlinux-f75d72309192e52ef9a3efb390b1c4f408c142df.tar.bz2
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>
-rw-r--r--drivers/hwmon/ltc2945.c6
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);