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Message-ID: <202307111559.xDdV7vHr-lkp@intel.com>
Date: Tue, 11 Jul 2023 15:50:22 +0800
From: kernel test robot <lkp@...el.com>
To: Vivek Pernamitta <quic_vpernami@...cinc.com>, mhi@...ts.linux.dev
Cc: llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev, mrana@...cinc.com,
quic_qianyu@...cinc.com, manivannan.sadhasivam@...aro.org,
Vivek Pernamitta <quic_vpernami@...cinc.com>,
Eric Dumazet <edumazet@...gle.com>,
Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH V1] net: mhi : Add support to enable ethernet interface
Hi Vivek,
kernel test robot noticed the following build errors:
[auto build test ERROR on net-next/main]
[also build test ERROR on net/main linus/master v6.5-rc1 next-20230711]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]
url: https://github.com/intel-lab-lkp/linux/commits/Vivek-Pernamitta/net-mhi-Add-support-to-enable-ethernet-interface/20230630-174659
base: net-next/main
patch link: https://lore.kernel.org/r/1688118281-13032-1-git-send-email-quic_vpernami%40quicinc.com
patch subject: [PATCH V1] net: mhi : Add support to enable ethernet interface
config: riscv-randconfig-r042-20230710 (https://download.01.org/0day-ci/archive/20230711/202307111559.xDdV7vHr-lkp@intel.com/config)
compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project.git 4a5ac14ee968ff0ad5d2cc1ffa0299048db4c88a)
reproduce: (https://download.01.org/0day-ci/archive/20230711/202307111559.xDdV7vHr-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/202307111559.xDdV7vHr-lkp@intel.com/
All errors (new ones prefixed by >>):
| ~~~~~~~~~~ ^
In file included from drivers/net/mhi_net.c:7:
In file included from include/linux/if_arp.h:22:
In file included from include/linux/skbuff.h:17:
In file included from include/linux/bvec.h:10:
In file included from include/linux/highmem.h:12:
In file included from include/linux/hardirq.h:11:
In file included from ./arch/riscv/include/generated/asm/hardirq.h:1:
In file included from include/asm-generic/hardirq.h:17:
In file included from include/linux/irq.h:20:
In file included from include/linux/io.h:13:
In file included from arch/riscv/include/asm/io.h:136:
include/asm-generic/io.h:751:2: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
751 | insw(addr, buffer, count);
| ^~~~~~~~~~~~~~~~~~~~~~~~~
arch/riscv/include/asm/io.h:105:53: note: expanded from macro 'insw'
105 | #define insw(addr, buffer, count) __insw(PCI_IOBASE + (addr), buffer, count)
| ~~~~~~~~~~ ^
In file included from drivers/net/mhi_net.c:7:
In file included from include/linux/if_arp.h:22:
In file included from include/linux/skbuff.h:17:
In file included from include/linux/bvec.h:10:
In file included from include/linux/highmem.h:12:
In file included from include/linux/hardirq.h:11:
In file included from ./arch/riscv/include/generated/asm/hardirq.h:1:
In file included from include/asm-generic/hardirq.h:17:
In file included from include/linux/irq.h:20:
In file included from include/linux/io.h:13:
In file included from arch/riscv/include/asm/io.h:136:
include/asm-generic/io.h:759:2: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
759 | insl(addr, buffer, count);
| ^~~~~~~~~~~~~~~~~~~~~~~~~
arch/riscv/include/asm/io.h:106:53: note: expanded from macro 'insl'
106 | #define insl(addr, buffer, count) __insl(PCI_IOBASE + (addr), buffer, count)
| ~~~~~~~~~~ ^
In file included from drivers/net/mhi_net.c:7:
In file included from include/linux/if_arp.h:22:
In file included from include/linux/skbuff.h:17:
In file included from include/linux/bvec.h:10:
In file included from include/linux/highmem.h:12:
In file included from include/linux/hardirq.h:11:
In file included from ./arch/riscv/include/generated/asm/hardirq.h:1:
In file included from include/asm-generic/hardirq.h:17:
In file included from include/linux/irq.h:20:
In file included from include/linux/io.h:13:
In file included from arch/riscv/include/asm/io.h:136:
include/asm-generic/io.h:768:2: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
768 | outsb(addr, buffer, count);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~
arch/riscv/include/asm/io.h:118:55: note: expanded from macro 'outsb'
118 | #define outsb(addr, buffer, count) __outsb(PCI_IOBASE + (addr), buffer, count)
| ~~~~~~~~~~ ^
In file included from drivers/net/mhi_net.c:7:
In file included from include/linux/if_arp.h:22:
In file included from include/linux/skbuff.h:17:
In file included from include/linux/bvec.h:10:
In file included from include/linux/highmem.h:12:
In file included from include/linux/hardirq.h:11:
In file included from ./arch/riscv/include/generated/asm/hardirq.h:1:
In file included from include/asm-generic/hardirq.h:17:
In file included from include/linux/irq.h:20:
In file included from include/linux/io.h:13:
In file included from arch/riscv/include/asm/io.h:136:
include/asm-generic/io.h:777:2: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
777 | outsw(addr, buffer, count);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~
arch/riscv/include/asm/io.h:119:55: note: expanded from macro 'outsw'
119 | #define outsw(addr, buffer, count) __outsw(PCI_IOBASE + (addr), buffer, count)
| ~~~~~~~~~~ ^
In file included from drivers/net/mhi_net.c:7:
In file included from include/linux/if_arp.h:22:
In file included from include/linux/skbuff.h:17:
In file included from include/linux/bvec.h:10:
In file included from include/linux/highmem.h:12:
In file included from include/linux/hardirq.h:11:
In file included from ./arch/riscv/include/generated/asm/hardirq.h:1:
In file included from include/asm-generic/hardirq.h:17:
In file included from include/linux/irq.h:20:
In file included from include/linux/io.h:13:
In file included from arch/riscv/include/asm/io.h:136:
include/asm-generic/io.h:786:2: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
786 | outsl(addr, buffer, count);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~
arch/riscv/include/asm/io.h:120:55: note: expanded from macro 'outsl'
120 | #define outsl(addr, buffer, count) __outsl(PCI_IOBASE + (addr), buffer, count)
| ~~~~~~~~~~ ^
In file included from drivers/net/mhi_net.c:7:
In file included from include/linux/if_arp.h:22:
In file included from include/linux/skbuff.h:17:
In file included from include/linux/bvec.h:10:
In file included from include/linux/highmem.h:12:
In file included from include/linux/hardirq.h:11:
In file included from ./arch/riscv/include/generated/asm/hardirq.h:1:
In file included from include/asm-generic/hardirq.h:17:
In file included from include/linux/irq.h:20:
In file included from include/linux/io.h:13:
In file included from arch/riscv/include/asm/io.h:136:
include/asm-generic/io.h:1134:55: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
1134 | return (port > MMIO_UPPER_LIMIT) ? NULL : PCI_IOBASE + port;
| ~~~~~~~~~~ ^
>> drivers/net/mhi_net.c:327:19: error: passing 'const unsigned char *' to parameter of type 'u8 *' (aka 'unsigned char *') discards qualifiers [-Werror,-Wincompatible-pointer-types-discards-qualifiers]
327 | eth_random_addr(ndev->dev_addr);
| ^~~~~~~~~~~~~~
include/linux/etherdevice.h:230:40: note: passing argument to parameter 'addr' here
230 | static inline void eth_random_addr(u8 *addr)
| ^
13 warnings and 1 error generated.
vim +327 drivers/net/mhi_net.c
320
321 static int mhi_net_newlink(struct mhi_device *mhi_dev, struct net_device *ndev, bool eth_dev)
322 {
323 struct mhi_net_dev *mhi_netdev;
324 int err;
325
326 if (eth_dev) {
> 327 eth_random_addr(ndev->dev_addr);
328 if (!is_valid_ether_addr(ndev->dev_addr))
329 return -EADDRNOTAVAIL;
330 }
331
332 mhi_netdev = netdev_priv(ndev);
333
334 dev_set_drvdata(&mhi_dev->dev, mhi_netdev);
335 mhi_netdev->ndev = ndev;
336 mhi_netdev->mdev = mhi_dev;
337 mhi_netdev->skbagg_head = NULL;
338 mhi_netdev->mru = mhi_dev->mhi_cntrl->mru;
339 mhi_netdev->ethernet_if = eth_dev;
340
341 INIT_DELAYED_WORK(&mhi_netdev->rx_refill, mhi_net_rx_refill_work);
342 u64_stats_init(&mhi_netdev->stats.rx_syncp);
343 u64_stats_init(&mhi_netdev->stats.tx_syncp);
344
345 /* Start MHI channels */
346 err = mhi_prepare_for_transfer(mhi_dev);
347 if (err)
348 return err;
349
350 /* Number of transfer descriptors determines size of the queue */
351 mhi_netdev->rx_queue_sz = mhi_get_free_desc_count(mhi_dev, DMA_FROM_DEVICE);
352
353 err = register_netdev(ndev);
354 if (err)
355 return err;
356
357 return 0;
358 }
359
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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