From: <Amy.Shih@advantech.com.tw>
To: <she90122@gmail.com>
Cc: <amy.shih@advantech.com.tw>, <oakley.ding@advantech.com.tw>,
<jia.sui@advantech.com.cn>, Jean Delvare <jdelvare@suse.com>,
Guenter Roeck <linux@roeck-us.net>, <linux-hwmon@vger.kernel.org>,
<linux-kernel@vger.kernel.org>
Subject: [v4 1/2] hwmon: (nct7904) Fix the incorrect return value of case hwmon_fan_min in function "nct7904_write_fan".
Date: Tue, 6 Aug 2019 02:30:07 +0000 [thread overview]
Message-ID: <d1b58bc36bcb0204bca811d97a8ef1063fe876e0.1565006479.git.amy.shih@advantech.com.tw> (raw)
From: "amy.shih" <amy.shih@advantech.com.tw>
Return the -EINVAL(Invalid argument) when writing the values <= 0
to sysfs node fan[1-*]_min.
Signed-off-by: amy.shih <amy.shih@advantech.com.tw>
Changes in v4:
- Fix the incorrect return value of case hwmon_fan_min in function "nct7904_write_fan".
Changes in v3:
- Squashed subsequent fixes of below patches into one patch.
-- Fix bad fallthrough in various switch statements.
-- Fix the wrong declared of tmp as u8 in nct7904_write_in, declared tmp to int.
-- Fix incorrect register setting of voltage.
-- Fix incorrect register bit mapping of temperature alarm.
-- Fix wrong return code 0x1fff in function nct7904_write_fan.
-- Delete wrong comment in function nct7904_write_in.
-- Fix wrong attribute names for temperature.
-- Fix wrong registers setting for temperature.
Changes in v2:
- Fix bad fallthrough in various switch statements.
- Fix the wrong declared of tmp as u8 in nct7904_write_in, declared tmp to int.
---
drivers/hwmon/nct7904.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/hwmon/nct7904.c b/drivers/hwmon/nct7904.c
index d842c10ba11f..6527b56e4f6c 100644
--- a/drivers/hwmon/nct7904.c
+++ b/drivers/hwmon/nct7904.c
@@ -551,7 +551,7 @@ static int nct7904_write_fan(struct device *dev, u32 attr, int channel,
switch (attr) {
case hwmon_fan_min:
if (val <= 0)
- return 0;
+ return -EINVAL;
val = clamp_val((1350000 + (val >> 1)) / val, 1, 0x1fff);
tmp = (val >> 5) & 0xff;
--
2.17.1
next reply other threads:[~2019-08-06 2:40 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-08-06 2:30 Amy.Shih [this message]
2019-08-06 2:31 ` [v4 2/2] hwmon: (nct7904) Fix the confused calculation of case hwmon_fan_min in function "nct7904_write_fan" Amy.Shih
2019-08-06 22:34 ` [v4 1/2] hwmon: (nct7904) Fix the incorrect return value " Guenter Roeck
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=d1b58bc36bcb0204bca811d97a8ef1063fe876e0.1565006479.git.amy.shih@advantech.com.tw \
--to=amy.shih@advantech.com.tw \
--cc=jdelvare@suse.com \
--cc=jia.sui@advantech.com.cn \
--cc=linux-hwmon@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux@roeck-us.net \
--cc=oakley.ding@advantech.com.tw \
--cc=she90122@gmail.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).