diff options
Diffstat (limited to 'drivers/power')
| -rw-r--r-- | drivers/power/supply/bq27xxx_battery.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/power/supply/bq27xxx_battery.c b/drivers/power/supply/bq27xxx_battery.c index 3b0dbc689d72..0c343a0c941e 100644 --- a/drivers/power/supply/bq27xxx_battery.c +++ b/drivers/power/supply/bq27xxx_battery.c @@ -397,10 +397,11 @@ static LIST_HEAD(bq27xxx_battery_devices); static int poll_interval_param_set(const char *val, const struct kernel_param *kp) { struct bq27xxx_device_info *di; + unsigned int prev_val = *(unsigned int *) kp->arg; int ret; ret = param_set_uint(val, kp); - if (ret < 0) + if (ret < 0 || prev_val == *(unsigned int *) kp->arg) return ret; mutex_lock(&bq27xxx_list_lock); |