ath9k: debug: Remove redundant check

Variable val is unsigned, so checking whether it is less than zero is
redundant.

Signed-off-by: Christos Gkekas <chris.gekas@gmail.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>

diff --git a/drivers/net/wireless/ath/ath9k/debug.c b/drivers/net/wireless/ath/ath9k/debug.c
index 5a0a05a..9e8aed5 100644 (file)
--- 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;