Hi Bhaskar, url: https://github.com/0day-ci/linux/commits/Bhaskar-Upadhaya/qede-add-netpoll-and-per-queue-coalesce-support/20210210-080747 base: https://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git 6626a0266566c5aea16178c5e6cd7fc4db3f2f56 config: i386-randconfig-m021-20210209 (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 <l...@intel.com>
Reported-by: Dan Carpenter <dan.carpen...@oracle.com>
New smatch warnings:
drivers/net/ethernet/qlogic/qede/qede_ethtool.c:2188 qede_get_per_coalesce()
warn: assigning (-22) to unsigned variable 'rc'
Old smatch warnings:
drivers/net/ethernet/qlogic/qede/qede_ethtool.c:2193 qede_get_per_coalesce()
warn: assigning (-22) to unsigned variable 'rc'
vim +/rc +2188 drivers/net/ethernet/qlogic/qede/qede_ethtool.c
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2171 static int
qede_get_per_coalesce(struct net_device *dev,
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2172
u32 queue,
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2173
struct ethtool_coalesce *coal)
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2174 {
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2175 void *rx_handle = NULL,
*tx_handle = NULL;
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2176 struct qede_dev *edev =
netdev_priv(dev);
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2177 u16 rx_coal, tx_coal,
rc = 0;
"rc" needs to be int.
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2178 struct qede_fastpath
*fp;
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2179
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2180 rx_coal =
QED_DEFAULT_RX_USECS;
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2181 tx_coal =
QED_DEFAULT_TX_USECS;
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2182
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2183 memset(coal, 0,
sizeof(struct ethtool_coalesce));
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2184
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2185 __qede_lock(edev);
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2186 if (queue >=
edev->num_queues) {
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2187 DP_INFO(edev,
"Invalid queue\n");
75a56157c75052 Bhaskar Upadhaya 2021-02-09 @2188 rc = -EINVAL;
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2189 goto out;
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2190 }
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2191
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2192 if (edev->state !=
QEDE_STATE_OPEN) {
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2193 rc = -EINVAL;
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2194 goto out;
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2195 }
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2196
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2197 fp =
&edev->fp_array[queue];
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2198
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2199 if (fp->type &
QEDE_FASTPATH_RX)
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2200 rx_handle =
fp->rxq->handle;
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2201
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2202 rc =
edev->ops->get_coalesce(edev->cdev, &rx_coal,
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2203
rx_handle);
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2204 if (rc) {
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2205 DP_INFO(edev,
"Read Rx coalesce error\n");
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2206 goto out;
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2207 }
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2208
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2209 fp =
&edev->fp_array[queue];
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2210 if (fp->type &
QEDE_FASTPATH_TX)
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2211 tx_handle =
fp->txq->handle;
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2212
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2213 rc =
edev->ops->get_coalesce(edev->cdev, &tx_coal,
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2214
tx_handle);
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2215 if (rc)
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2216 DP_INFO(edev,
"Read Tx coalesce error\n");
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2217
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2218 out:
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2219 __qede_unlock(edev);
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2220
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2221 coal->rx_coalesce_usecs
= rx_coal;
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2222 coal->tx_coalesce_usecs
= tx_coal;
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2223
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2224 return rc;
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2225 }
---
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