Variable val is unsigned, so checking whether it is less than zero is redundant. Signed-off-by: Christos Gkekas <chris.gekas@xxxxxxxxx> --- drivers/net/wireless/ath/ath9k/debug.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/wireless/ath/ath9k/debug.c b/drivers/net/wireless/ath/ath9k/debug.c index 01fa301..4f5f141 100644 --- a/drivers/net/wireless/ath/ath9k/debug.c +++ b/drivers/net/wireless/ath/ath9k/debug.c @@ -1167,7 +1167,7 @@ static ssize_t write_file_tpc(struct file *file, const char __user *user_buf, if (kstrtoul(buf, 0, &val)) return -EINVAL; - if (val < 0 || val > 1) + if (val > 1) return -EINVAL; tpc_enabled = !!val; -- 2.7.4