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Message-ID: <202205180531.6Hzhl9KN-lkp@intel.com>
Date: Wed, 18 May 2022 05:28:27 +0800
From: kernel test robot <lkp@...el.com>
To: Jiawen Wu <jiawenwu@...stnetic.com>, netdev@...r.kernel.org
Cc: kbuild-all@...ts.01.org, Jiawen Wu <jiawenwu@...stnetic.com>
Subject: Re: [PATCH net-next v2] net: txgbe: Add build support for txgbe
Hi Jiawen,
I love your patch! Yet something to improve:
[auto build test ERROR on net-next/master]
url: https://github.com/intel-lab-lkp/linux/commits/Jiawen-Wu/net-txgbe-Add-build-support-for-txgbe/20220517-171540
base: https://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git 6251264fedde83ade6f0f1f7049037469dd4de0b
config: mips-allmodconfig (https://download.01.org/0day-ci/archive/20220518/202205180531.6Hzhl9KN-lkp@intel.com/config)
compiler: mips-linux-gcc (GCC) 11.3.0
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# https://github.com/intel-lab-lkp/linux/commit/bbd3d7eec488dc00f9b366f24e12bcb793cdd0bc
git remote add linux-review https://github.com/intel-lab-lkp/linux
git fetch --no-tags linux-review Jiawen-Wu/net-txgbe-Add-build-support-for-txgbe/20220517-171540
git checkout bbd3d7eec488dc00f9b366f24e12bcb793cdd0bc
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.3.0 make.cross W=1 O=build_dir ARCH=mips SHELL=/bin/bash drivers/net/ethernet/wangxun/txgbe/
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>
All error/warnings (new ones prefixed by >>):
drivers/net/ethernet/wangxun/txgbe/txgbe_main.c: In function 'txgbe_probe':
>> drivers/net/ethernet/wangxun/txgbe/txgbe_main.c:171:14: error: implicit declaration of function 'vmalloc'; did you mean 'kvmalloc'? [-Werror=implicit-function-declaration]
171 | hw = vmalloc(sizeof(*hw));
| ^~~~~~~
| kvmalloc
>> drivers/net/ethernet/wangxun/txgbe/txgbe_main.c:171:12: warning: assignment to 'struct txgbe_hw *' from 'int' makes pointer from integer without a cast [-Wint-conversion]
171 | hw = vmalloc(sizeof(*hw));
| ^
>> drivers/net/ethernet/wangxun/txgbe/txgbe_main.c:177:9: error: implicit declaration of function 'vfree'; did you mean 'kvfree'? [-Werror=implicit-function-declaration]
177 | vfree(hw);
| ^~~~~
| kvfree
cc1: some warnings being treated as errors
vim +171 drivers/net/ethernet/wangxun/txgbe/txgbe_main.c
119
120 /**
121 * txgbe_probe - Device Initialization Routine
122 * @pdev: PCI device information struct
123 * @ent: entry in txgbe_pci_tbl
124 *
125 * Returns 0 on success, negative on failure
126 *
127 * txgbe_probe initializes an adapter identified by a pci_dev structure.
128 * The OS initialization, configuring of the adapter private structure,
129 * and a hardware reset occur.
130 **/
131 static int txgbe_probe(struct pci_dev *pdev,
132 const struct pci_device_id __always_unused *ent)
133 {
134 struct net_device *netdev;
135 struct txgbe_adapter *adapter = NULL;
136 struct txgbe_hw *hw = NULL;
137 int err, pci_using_dac;
138 unsigned int indices = MAX_TX_QUEUES;
139 bool disable_dev = false;
140
141 err = pci_enable_device_mem(pdev);
142 if (err)
143 return err;
144
145 if (!dma_set_mask(pci_dev_to_dev(pdev), DMA_BIT_MASK(64)) &&
146 !dma_set_coherent_mask(pci_dev_to_dev(pdev), DMA_BIT_MASK(64))) {
147 pci_using_dac = 1;
148 } else {
149 err = dma_set_mask(pci_dev_to_dev(pdev), DMA_BIT_MASK(32));
150 if (err) {
151 err = dma_set_coherent_mask(pci_dev_to_dev(pdev),
152 DMA_BIT_MASK(32));
153 if (err) {
154 dev_err(pci_dev_to_dev(pdev),
155 "No usable DMA configuration, aborting\n");
156 goto err_dma;
157 }
158 }
159 pci_using_dac = 0;
160 }
161
162 err = pci_request_selected_regions(pdev,
163 pci_select_bars(pdev, IORESOURCE_MEM),
164 txgbe_driver_name);
165 if (err) {
166 dev_err(pci_dev_to_dev(pdev),
167 "pci_request_selected_regions failed 0x%x\n", err);
168 goto err_pci_reg;
169 }
170
> 171 hw = vmalloc(sizeof(*hw));
172 if (!hw)
173 return -ENOMEM;
174
175 hw->vendor_id = pdev->vendor;
176 hw->device_id = pdev->device;
> 177 vfree(hw);
178
179 pci_enable_pcie_error_reporting(pdev);
180 pci_set_master(pdev);
181 /* errata 16 */
182 if (MAX_REQUEST_SIZE == 512) {
183 pcie_capability_clear_and_set_word(pdev, PCI_EXP_DEVCTL,
184 PCI_EXP_DEVCTL_READRQ,
185 0x2000);
186 } else {
187 pcie_capability_clear_and_set_word(pdev, PCI_EXP_DEVCTL,
188 PCI_EXP_DEVCTL_READRQ,
189 0x1000);
190 }
191
192 netdev = alloc_etherdev_mq(sizeof(struct txgbe_adapter), indices);
193 if (!netdev) {
194 err = -ENOMEM;
195 goto err_alloc_etherdev;
196 }
197
198 SET_NETDEV_DEV(netdev, pci_dev_to_dev(pdev));
199
200 adapter = netdev_priv(netdev);
201 adapter->netdev = netdev;
202 adapter->pdev = pdev;
203 hw = &adapter->hw;
204 hw->back = adapter;
205 adapter->msg_enable = (1 << DEFAULT_DEBUG_LEVEL_SHIFT) - 1;
206
207 hw->hw_addr = ioremap(pci_resource_start(pdev, 0),
208 pci_resource_len(pdev, 0));
209 adapter->io_addr = hw->hw_addr;
210 if (!hw->hw_addr) {
211 err = -EIO;
212 goto err_ioremap;
213 }
214
215 strncpy(netdev->name, pci_name(pdev), sizeof(netdev->name) - 1);
216
217 /* setup the private structure */
218 err = txgbe_sw_init(adapter);
219 if (err)
220 goto err_sw_init;
221
222 if (pci_using_dac)
223 netdev->features |= NETIF_F_HIGHDMA;
224
225 err_sw_init:
226 iounmap(adapter->io_addr);
227 err_ioremap:
228 disable_dev = !test_and_set_bit(__TXGBE_DISABLED, &adapter->state);
229 free_netdev(netdev);
230 err_alloc_etherdev:
231 pci_release_selected_regions(pdev,
232 pci_select_bars(pdev, IORESOURCE_MEM));
233 err_pci_reg:
234 err_dma:
235 if (!adapter || disable_dev)
236 pci_disable_device(pdev);
237 return err;
238 }
239
--
0-DAY CI Kernel Test Service
https://01.org/lkp
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