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Date: Fri, 29 Sep 2023 05:00:17 +0800
From: kernel test robot <lkp@...el.com>
To: Justin Lai <justinlai0215@...ltek.com>, kuba@...nel.org
Cc: oe-kbuild-all@...ts.linux.dev, davem@...emloft.net, edumazet@...gle.com,
pabeni@...hat.com, linux-kernel@...r.kernel.org,
netdev@...r.kernel.org, andrew@...n.ch, pkshih@...ltek.com,
larry.chiu@...ltek.com, Justin Lai <justinlai0215@...ltek.com>
Subject: Re: [PATCH net-next v9 12/13] net:ethernet:realtek: Update the
Makefile and Kconfig in the realtek folder
Hi Justin,
kernel test robot noticed the following build warnings:
[auto build test WARNING on net-next/main]
url: https://github.com/intel-lab-lkp/linux/commits/Justin-Lai/net-ethernet-realtek-rtase-Add-pci-table-supported-in-this-module/20230928-185229
base: net-next/main
patch link: https://lore.kernel.org/r/20230928104920.113511-13-justinlai0215%40realtek.com
patch subject: [PATCH net-next v9 12/13] net:ethernet:realtek: Update the Makefile and Kconfig in the realtek folder
config: sparc-allyesconfig (https://download.01.org/0day-ci/archive/20230929/202309290449.7BfzQ7jq-lkp@intel.com/config)
compiler: sparc64-linux-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20230929/202309290449.7BfzQ7jq-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202309290449.7BfzQ7jq-lkp@intel.com/
All warnings (new ones prefixed by >>):
drivers/net/ethernet/realtek/rtase/rtase_main.c: In function 'rtase_open':
>> drivers/net/ethernet/realtek/rtase/rtase_main.c:1140:25: warning: 'snprintf' argument 4 may overlap destination object 'dev' [-Wrestrict]
1140 | snprintf(ivec->name, sizeof(ivec->name), "%s_int%i", dev->name, i);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/net/ethernet/realtek/rtase/rtase_main.c:1105:42: note: destination object referenced by 'restrict'-qualified argument 1 was declared here
1105 | static int rtase_open(struct net_device *dev)
| ~~~~~~~~~~~~~~~~~~~^~~
vim +1140 drivers/net/ethernet/realtek/rtase/rtase_main.c
35c3134a765bbcb Justin Lai 2023-09-28 1104
1f431ee317f33f8 Justin Lai 2023-09-28 1105 static int rtase_open(struct net_device *dev)
1f431ee317f33f8 Justin Lai 2023-09-28 1106 {
1f431ee317f33f8 Justin Lai 2023-09-28 1107 struct rtase_private *tp = netdev_priv(dev);
1f431ee317f33f8 Justin Lai 2023-09-28 1108 struct rtase_int_vector *ivec = &tp->int_vector[0];
1f431ee317f33f8 Justin Lai 2023-09-28 1109 const struct pci_dev *pdev = tp->pdev;
1f431ee317f33f8 Justin Lai 2023-09-28 1110 int ret;
1f431ee317f33f8 Justin Lai 2023-09-28 1111 u16 i;
1f431ee317f33f8 Justin Lai 2023-09-28 1112
1f431ee317f33f8 Justin Lai 2023-09-28 1113 rtase_set_rxbufsize(tp, dev);
1f431ee317f33f8 Justin Lai 2023-09-28 1114
1f431ee317f33f8 Justin Lai 2023-09-28 1115 ret = rtase_alloc_desc(tp);
1f431ee317f33f8 Justin Lai 2023-09-28 1116 if (ret)
1f431ee317f33f8 Justin Lai 2023-09-28 1117 goto err_free_all_allocated_mem;
1f431ee317f33f8 Justin Lai 2023-09-28 1118
1f431ee317f33f8 Justin Lai 2023-09-28 1119 ret = rtase_init_ring(dev);
1f431ee317f33f8 Justin Lai 2023-09-28 1120 if (ret)
1f431ee317f33f8 Justin Lai 2023-09-28 1121 goto err_free_all_allocated_mem;
1f431ee317f33f8 Justin Lai 2023-09-28 1122
1f431ee317f33f8 Justin Lai 2023-09-28 1123 INIT_DELAYED_WORK(&tp->task, NULL);
1f431ee317f33f8 Justin Lai 2023-09-28 1124
1f431ee317f33f8 Justin Lai 2023-09-28 1125 rtase_hw_config(dev);
1f431ee317f33f8 Justin Lai 2023-09-28 1126
1f431ee317f33f8 Justin Lai 2023-09-28 1127 if (tp->sw_flag & SWF_MSIX_ENABLED) {
1f431ee317f33f8 Justin Lai 2023-09-28 1128 ret = request_irq(ivec->irq, rtase_interrupt, 0,
1f431ee317f33f8 Justin Lai 2023-09-28 1129 dev->name, ivec);
1f431ee317f33f8 Justin Lai 2023-09-28 1130
1f431ee317f33f8 Justin Lai 2023-09-28 1131 /* request other interrupts to handle multiqueue */
1f431ee317f33f8 Justin Lai 2023-09-28 1132 for (i = 1; i < tp->int_nums; i++) {
1f431ee317f33f8 Justin Lai 2023-09-28 1133 if (ret)
1f431ee317f33f8 Justin Lai 2023-09-28 1134 continue;
1f431ee317f33f8 Justin Lai 2023-09-28 1135
1f431ee317f33f8 Justin Lai 2023-09-28 1136 ivec = &tp->int_vector[i];
1f431ee317f33f8 Justin Lai 2023-09-28 1137 if (ivec->status != 1)
1f431ee317f33f8 Justin Lai 2023-09-28 1138 continue;
1f431ee317f33f8 Justin Lai 2023-09-28 1139
1f431ee317f33f8 Justin Lai 2023-09-28 @1140 snprintf(ivec->name, sizeof(ivec->name), "%s_int%i", dev->name, i);
1f431ee317f33f8 Justin Lai 2023-09-28 1141 ret = request_irq(ivec->irq, rtase_q_interrupt, 0,
1f431ee317f33f8 Justin Lai 2023-09-28 1142 ivec->name, ivec);
1f431ee317f33f8 Justin Lai 2023-09-28 1143 }
1f431ee317f33f8 Justin Lai 2023-09-28 1144 } else if (tp->sw_flag & SWF_MSI_ENABLED) {
1f431ee317f33f8 Justin Lai 2023-09-28 1145 ret = request_irq(pdev->irq, rtase_interrupt, 0, dev->name,
1f431ee317f33f8 Justin Lai 2023-09-28 1146 ivec);
1f431ee317f33f8 Justin Lai 2023-09-28 1147 } else {
1f431ee317f33f8 Justin Lai 2023-09-28 1148 ret = request_irq(pdev->irq, rtase_interrupt, IRQF_SHARED,
1f431ee317f33f8 Justin Lai 2023-09-28 1149 dev->name, ivec);
1f431ee317f33f8 Justin Lai 2023-09-28 1150 }
1f431ee317f33f8 Justin Lai 2023-09-28 1151
1f431ee317f33f8 Justin Lai 2023-09-28 1152 if (ret != 0) {
1f431ee317f33f8 Justin Lai 2023-09-28 1153 netdev_err(dev, "can't request MSIX interrupt. Error: %d", ret);
1f431ee317f33f8 Justin Lai 2023-09-28 1154 goto err_free_all_allocated_mem;
1f431ee317f33f8 Justin Lai 2023-09-28 1155 }
1f431ee317f33f8 Justin Lai 2023-09-28 1156
1f431ee317f33f8 Justin Lai 2023-09-28 1157 rtase_hw_start(dev);
1f431ee317f33f8 Justin Lai 2023-09-28 1158
1f431ee317f33f8 Justin Lai 2023-09-28 1159 netif_carrier_on(dev);
1f431ee317f33f8 Justin Lai 2023-09-28 1160 netif_wake_queue(dev);
1f431ee317f33f8 Justin Lai 2023-09-28 1161 netdev_info(dev, "link up\n");
1f431ee317f33f8 Justin Lai 2023-09-28 1162
1f431ee317f33f8 Justin Lai 2023-09-28 1163 goto out;
1f431ee317f33f8 Justin Lai 2023-09-28 1164
1f431ee317f33f8 Justin Lai 2023-09-28 1165 err_free_all_allocated_mem:
1f431ee317f33f8 Justin Lai 2023-09-28 1166 rtase_free_desc(tp);
1f431ee317f33f8 Justin Lai 2023-09-28 1167
1f431ee317f33f8 Justin Lai 2023-09-28 1168 out:
1f431ee317f33f8 Justin Lai 2023-09-28 1169 return ret;
1f431ee317f33f8 Justin Lai 2023-09-28 1170 }
1f431ee317f33f8 Justin Lai 2023-09-28 1171
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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