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From: Chen Gang <gang.chen@asianux.com>
To: Arnd Bergmann <arnd@arndb.de>
Cc: Greg KH <gregkh@linuxfoundation.org>,
	"linux-kernel@vger.kernel.org >>
	\"linux-kernel@vger.kernel.org\""  <linux-kernel@vger.kernel.org>
Subject: [PATCH] Drivers: Misc: fix warnings, unsigned long will never < 0
Date: Sun, 07 Apr 2013 11:09:48 +0800	[thread overview]
Message-ID: <5160E37C.3020007@asianux.com> (raw)


  val is unsigned long which never < 0

Signed-off-by: Chen Gang <gang.chen@asianux.com>
---
 drivers/misc/tsl2550.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/misc/tsl2550.c b/drivers/misc/tsl2550.c
index 1e7bc0e..558dd20 100644
--- a/drivers/misc/tsl2550.c
+++ b/drivers/misc/tsl2550.c
@@ -204,7 +204,7 @@ static ssize_t tsl2550_store_power_state(struct device *dev,
 	unsigned long val = simple_strtoul(buf, NULL, 10);
 	int ret;
 
-	if (val < 0 || val > 1)
+	if (val > 1)
 		return -EINVAL;
 
 	mutex_lock(&data->update_lock);
-- 
1.7.7.6

             reply	other threads:[~2013-04-07  3:10 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-04-07  3:09 Chen Gang [this message]
2013-04-07  3:26 ` [PATCH] Drivers: Misc: fix warnings, unsigned long will never < 0 Chen Gang
2013-04-07  3:28 ` [PATCH v2] " Chen Gang
2013-05-08  2:24   ` Chen Gang
2013-05-08  2:38     ` Greg KH
2013-05-08  2:46       ` Li Zefan
2013-05-08  2:49         ` Chen Gang
2013-05-08  2:54         ` Greg KH
2013-05-08  3:27           ` Chen Gang

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