From: Dan Carpenter <dan.carpenter@oracle.com>
To: kbuild@lists.01.org, Dan Murphy <dmurphy@ti.com>,
davem@davemloft.net, andrew@lunn.ch, f.fainelli@gmail.com,
hkallweit1@gmail.com
Cc: lkp@intel.com, kbuild-all@lists.01.org, mkubecek@suse.cz,
netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
Dan Murphy <dmurphy@ti.com>
Subject: [kbuild] Re: [PATCH net-next v4 1/2] net: phy: dp83869: support Wake on LAN
Date: Fri, 25 Sep 2020 15:38:58 +0300 [thread overview]
Message-ID: <20200925123858.GX18329@kadam> (raw)
In-Reply-To: <20200924162707.14093-2-dmurphy@ti.com>
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Hi Dan,
url: https://github.com/0day-ci/linux/commits/Dan-Murphy/DP83869-WoL-and-Speed-optimization/20200925-002844
base: https://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git 3fc826f121d89c5aa4afd7b3408b07e0ff59466b
config: x86_64-randconfig-m001-20200925 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-15) 9.3.0
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
New smatch warnings:
drivers/net/phy/dp83869.c:205 dp83869_set_wol() warn: impossible condition '(val_rxcfg < 0) => (0-u16max < 0)'
drivers/net/phy/dp83869.c:209 dp83869_set_wol() warn: impossible condition '(val_micr < 0) => (0-u16max < 0)'
drivers/net/phy/dp83869.c:301 dp83869_get_wol() warn: impossible condition '(value < 0) => (0-u16max < 0)'
drivers/net/phy/dp83869.c:318 dp83869_get_wol() warn: impossible condition '(sopass_val < 0) => (0-u16max < 0)'
Old smatch warnings:
drivers/net/phy/dp83869.c:328 dp83869_get_wol() warn: impossible condition '(sopass_val < 0) => (0-u16max < 0)'
drivers/net/phy/dp83869.c:338 dp83869_get_wol() warn: impossible condition '(sopass_val < 0) => (0-u16max < 0)'
vim +205 drivers/net/phy/dp83869.c
cfd39675171ca5b Dan Murphy 2020-09-24 196 static int dp83869_set_wol(struct phy_device *phydev,
cfd39675171ca5b Dan Murphy 2020-09-24 197 struct ethtool_wolinfo *wol)
cfd39675171ca5b Dan Murphy 2020-09-24 198 {
cfd39675171ca5b Dan Murphy 2020-09-24 199 struct net_device *ndev = phydev->attached_dev;
cfd39675171ca5b Dan Murphy 2020-09-24 200 u16 val_rxcfg, val_micr;
cfd39675171ca5b Dan Murphy 2020-09-24 201 u8 *mac;
cfd39675171ca5b Dan Murphy 2020-09-24 202 int ret;
cfd39675171ca5b Dan Murphy 2020-09-24 203
cfd39675171ca5b Dan Murphy 2020-09-24 204 val_rxcfg = phy_read_mmd(phydev, DP83869_DEVADDR, DP83869_RXFCFG);
cfd39675171ca5b Dan Murphy 2020-09-24 @205 if (val_rxcfg < 0)
^^^^^^^^^^^^^
This needs to be int instead of u16.
cfd39675171ca5b Dan Murphy 2020-09-24 206 return val_rxcfg;
cfd39675171ca5b Dan Murphy 2020-09-24 207
cfd39675171ca5b Dan Murphy 2020-09-24 208 val_micr = phy_read(phydev, MII_DP83869_MICR);
cfd39675171ca5b Dan Murphy 2020-09-24 @209 if (val_micr < 0)
cfd39675171ca5b Dan Murphy 2020-09-24 210 return val_micr;
cfd39675171ca5b Dan Murphy 2020-09-24 211
cfd39675171ca5b Dan Murphy 2020-09-24 212 if (wol->wolopts & (WAKE_MAGIC | WAKE_MAGICSECURE | WAKE_UCAST |
cfd39675171ca5b Dan Murphy 2020-09-24 213 WAKE_BCAST)) {
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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next prev parent reply other threads:[~2020-09-25 12:41 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-09-24 16:27 [PATCH net-next v4 0/2] DP83869 WoL and Speed optimization Dan Murphy
2020-09-24 16:27 ` [PATCH net-next v4 1/2] net: phy: dp83869: support Wake on LAN Dan Murphy
2020-09-25 12:38 ` Dan Carpenter [this message]
2020-09-24 16:27 ` [PATCH net-next v4 2/2] net: phy: dp83869: Add speed optimization feature Dan Murphy
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