From mboxrd@z Thu Jan 1 00:00:00 1970 From: Christos Gkekas Subject: [PATCH] ath9k: debug: Simplify error checking Date: Sun, 8 Oct 2017 22:29:12 +0100 Message-ID: <1507498152-4058-1-git-send-email-chris.gekas@gmail.com> Cc: Christos Gkekas To: QCA ath9k Development , Kalle Valo , linux-wireless@vger.kernel.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org Return-path: Sender: linux-kernel-owner@vger.kernel.org List-Id: netdev.vger.kernel.org Variable val is unsigned so checking whether it is less than zero is redundant. Signed-off-by: Christos Gkekas --- drivers/net/wireless/ath/ath9k/debug.c | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-) diff --git a/drivers/net/wireless/ath/ath9k/debug.c b/drivers/net/wireless/ath/ath9k/debug.c index 01fa301..3b93c23 100644 --- a/drivers/net/wireless/ath/ath9k/debug.c +++ b/drivers/net/wireless/ath/ath9k/debug.c @@ -1164,10 +1164,7 @@ static ssize_t write_file_tpc(struct file *file, const char __user *user_buf, return -EFAULT; buf[len] = '\0'; - if (kstrtoul(buf, 0, &val)) - return -EINVAL; - - if (val < 0 || val > 1) + if (kstrtoul(buf, 0, &val) || val > 1) return -EINVAL; tpc_enabled = !!val; -- 2.7.4