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From: kernel test robot <lkp@intel.com>
To: kbuild@lists.01.org
Subject: Re: [PATCH RESEND-2 RFC net-next 12/18] devlink: Introduce rate nodes
Date: Thu, 22 Apr 2021 06:27:53 +0800	[thread overview]
Message-ID: <202104220602.R1bSHwEF-lkp@intel.com> (raw)

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CC: kbuild-all(a)lists.01.org
In-Reply-To: <1619020385-20220-13-git-send-email-dlinkin@nvidia.com>
References: <1619020385-20220-13-git-send-email-dlinkin@nvidia.com>
TO: dlinkin(a)nvidia.com

Hi,

[FYI, it's a private test report for your RFC patch.]
[auto build test WARNING on net-next/master]

url:    https://github.com/0day-ci/linux/commits/dlinkin-nvidia-com/devlink-rate-objects-API/20210421-235552
base:   https://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git a926c025d56bb1acd8a192fca0e307331ee91b30
:::::: branch date: 7 hours ago
:::::: commit date: 7 hours ago
config: x86_64-randconfig-m001-20210421 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 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:
net/core/devlink.c:1591 devlink_nl_rate_set() error: uninitialized symbol 'err'.

Old smatch warnings:
net/core/devlink.c:1604 devlink_nl_rate_set() error: uninitialized symbol 'err'.
net/core/devlink.c:6364 devlink_fmsg_prepare_skb() error: uninitialized symbol 'err'.

vim +/err +1591 net/core/devlink.c

cd76dcd68d96aa Parav Pandit  2020-12-11  1574  
709d06045321cd Dmytro Linkin 2021-04-21  1575  static int devlink_nl_rate_set(struct devlink_rate *devlink_rate,
709d06045321cd Dmytro Linkin 2021-04-21  1576  			       const struct devlink_ops *ops,
709d06045321cd Dmytro Linkin 2021-04-21  1577  			       struct genl_info *info)
709d06045321cd Dmytro Linkin 2021-04-21  1578  {
709d06045321cd Dmytro Linkin 2021-04-21  1579  	struct nlattr **attrs = info->attrs;
709d06045321cd Dmytro Linkin 2021-04-21  1580  	u64 rate;
709d06045321cd Dmytro Linkin 2021-04-21  1581  	int err;
709d06045321cd Dmytro Linkin 2021-04-21  1582  
709d06045321cd Dmytro Linkin 2021-04-21  1583  	if (attrs[DEVLINK_ATTR_RATE_TX_SHARE]) {
709d06045321cd Dmytro Linkin 2021-04-21  1584  		rate = nla_get_u64(attrs[DEVLINK_ATTR_RATE_TX_SHARE]);
ddc9bb1d01c107 Dmytro Linkin 2021-04-21  1585  		if (devlink_rate_is_leaf(devlink_rate))
709d06045321cd Dmytro Linkin 2021-04-21  1586  			err = ops->rate_leaf_tx_share_set(devlink_rate, devlink_rate->priv,
709d06045321cd Dmytro Linkin 2021-04-21  1587  							  rate, info->extack);
ddc9bb1d01c107 Dmytro Linkin 2021-04-21  1588  		else if (devlink_rate_is_node(devlink_rate))
ddc9bb1d01c107 Dmytro Linkin 2021-04-21  1589  			err = ops->rate_node_tx_share_set(devlink_rate, devlink_rate->priv,
ddc9bb1d01c107 Dmytro Linkin 2021-04-21  1590  							  rate, info->extack);
709d06045321cd Dmytro Linkin 2021-04-21 @1591  		if (err)
709d06045321cd Dmytro Linkin 2021-04-21  1592  			return err;
709d06045321cd Dmytro Linkin 2021-04-21  1593  		devlink_rate->tx_share = rate;
709d06045321cd Dmytro Linkin 2021-04-21  1594  	}
709d06045321cd Dmytro Linkin 2021-04-21  1595  
709d06045321cd Dmytro Linkin 2021-04-21  1596  	if (attrs[DEVLINK_ATTR_RATE_TX_MAX]) {
709d06045321cd Dmytro Linkin 2021-04-21  1597  		rate = nla_get_u64(attrs[DEVLINK_ATTR_RATE_TX_MAX]);
ddc9bb1d01c107 Dmytro Linkin 2021-04-21  1598  		if (devlink_rate_is_leaf(devlink_rate))
709d06045321cd Dmytro Linkin 2021-04-21  1599  			err = ops->rate_leaf_tx_max_set(devlink_rate, devlink_rate->priv,
709d06045321cd Dmytro Linkin 2021-04-21  1600  							rate, info->extack);
ddc9bb1d01c107 Dmytro Linkin 2021-04-21  1601  		else if (devlink_rate_is_node(devlink_rate))
ddc9bb1d01c107 Dmytro Linkin 2021-04-21  1602  			err = ops->rate_node_tx_max_set(devlink_rate, devlink_rate->priv,
ddc9bb1d01c107 Dmytro Linkin 2021-04-21  1603  							rate, info->extack);
709d06045321cd Dmytro Linkin 2021-04-21  1604  		if (err)
709d06045321cd Dmytro Linkin 2021-04-21  1605  			return err;
709d06045321cd Dmytro Linkin 2021-04-21  1606  		devlink_rate->tx_max = rate;
709d06045321cd Dmytro Linkin 2021-04-21  1607  	}
709d06045321cd Dmytro Linkin 2021-04-21  1608  
709d06045321cd Dmytro Linkin 2021-04-21  1609  	return 0;
709d06045321cd Dmytro Linkin 2021-04-21  1610  }
709d06045321cd Dmytro Linkin 2021-04-21  1611  

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org

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             reply	other threads:[~2021-04-21 22:27 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-04-21 22:27 kernel test robot [this message]
  -- strict thread matches above, loose matches on Subject: below --
2021-04-21 15:52 [PATCH RESEND-2 RFC net-next 00/18] devlink: rate objects API dlinkin
2021-04-21 15:52 ` [PATCH RESEND-2 RFC net-next 12/18] devlink: Introduce rate nodes dlinkin
2021-04-21 21:31   ` kernel test robot
2021-04-21 21:32   ` kernel test robot
2021-04-23  9:37   ` Dan Carpenter
2021-04-23  9:37     ` Dan Carpenter
2021-04-23 10:26     ` Dmytro Linkin

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