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From: Christos Gkekas <chris.gekas@gmail.com>
To: Kalle Valo <kvalo@qca.qualcomm.com>,
	ath10k@lists.infradead.org, linux-wireless@vger.kernel.org,
	netdev@vger.kernel.org, linux-kernel@vger.kernel.org
Cc: Christos Gkekas <chris.gekas@gmail.com>
Subject: [PATCH] ath10k: spectral: Simplify error checking
Date: Sun,  8 Oct 2017 20:30:26 +0100	[thread overview]
Message-ID: <1507491026-28690-1-git-send-email-chris.gekas@gmail.com> (raw)

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

Signed-off-by: Christos Gkekas <chris.gekas@gmail.com>
---
 drivers/net/wireless/ath/ath10k/spectral.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/drivers/net/wireless/ath/ath10k/spectral.c b/drivers/net/wireless/ath/ath10k/spectral.c
index dd9cc09..1867937 100644
--- a/drivers/net/wireless/ath/ath10k/spectral.c
+++ b/drivers/net/wireless/ath/ath10k/spectral.c
@@ -403,10 +403,7 @@ static ssize_t write_file_spectral_count(struct file *file,
 		return -EFAULT;
 
 	buf[len] = '\0';
-	if (kstrtoul(buf, 0, &val))
-		return -EINVAL;
-
-	if (val < 0 || val > 255)
+	if (kstrtoul(buf, 0, &val) || val > 255)
 		return -EINVAL;
 
 	mutex_lock(&ar->conf_mutex);
-- 
2.7.4

WARNING: multiple messages have this Message-ID (diff)
From: Christos Gkekas <chris.gekas@gmail.com>
To: Kalle Valo <kvalo@qca.qualcomm.com>,
	ath10k@lists.infradead.org, linux-wireless@vger.kernel.org,
	netdev@vger.kernel.org, linux-kernel@vger.kernel.org
Cc: Christos Gkekas <chris.gekas@gmail.com>
Subject: [PATCH] ath10k: spectral: Simplify error checking
Date: Sun,  8 Oct 2017 20:30:26 +0100	[thread overview]
Message-ID: <1507491026-28690-1-git-send-email-chris.gekas@gmail.com> (raw)

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

Signed-off-by: Christos Gkekas <chris.gekas@gmail.com>
---
 drivers/net/wireless/ath/ath10k/spectral.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/drivers/net/wireless/ath/ath10k/spectral.c b/drivers/net/wireless/ath/ath10k/spectral.c
index dd9cc09..1867937 100644
--- a/drivers/net/wireless/ath/ath10k/spectral.c
+++ b/drivers/net/wireless/ath/ath10k/spectral.c
@@ -403,10 +403,7 @@ static ssize_t write_file_spectral_count(struct file *file,
 		return -EFAULT;
 
 	buf[len] = '\0';
-	if (kstrtoul(buf, 0, &val))
-		return -EINVAL;
-
-	if (val < 0 || val > 255)
+	if (kstrtoul(buf, 0, &val) || val > 255)
 		return -EINVAL;
 
 	mutex_lock(&ar->conf_mutex);
-- 
2.7.4


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             reply	other threads:[~2017-10-08 19:30 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-10-08 19:30 Christos Gkekas [this message]
2017-10-08 19:30 ` [PATCH] ath10k: spectral: Simplify error checking Christos Gkekas
2017-10-13 12:28 ` Kalle Valo
2017-10-13 12:28   ` Kalle Valo
2017-10-13 12:28   ` Kalle Valo
2017-10-14  8:12   ` Christos Gkekas
2017-10-14  8:12     ` Christos Gkekas

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