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Date: Wed, 8 May 2024 19:22:54 +0800
From: kernel test robot <lkp@...el.com>
To: sean.wang@...nel.org, marcel@...tmann.org, johan.hedberg@...il.com,
luiz.dentz@...il.com
Cc: llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
linux-bluetooth@...r.kernel.org, linux-mediatek@...ts.infradead.org,
linux-kernel@...r.kernel.org, Sean Wang <sean.wang@...iatek.com>
Subject: Re: [PATCH v4 1/5] Bluetooth: btmtk: add the function to get the fw
name
Hi,
kernel test robot noticed the following build warnings:
[auto build test WARNING on bluetooth/master]
[also build test WARNING on bluetooth-next/master linus/master v6.9-rc7 next-20240508]
[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/sean-wang-kernel-org/Bluetooth-btmtk-apply-the-common-btmtk_fw_get_filename/20240508-032333
base: https://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth.git master
patch link: https://lore.kernel.org/r/965cd14922aea67e2750ff2c2ecad773f8ba485a.1715109394.git.sean.wang%40kernel.org
patch subject: [PATCH v4 1/5] Bluetooth: btmtk: add the function to get the fw name
config: hexagon-allmodconfig (https://download.01.org/0day-ci/archive/20240508/202405081828.e6IMNKPn-lkp@intel.com/config)
compiler: clang version 19.0.0git (https://github.com/llvm/llvm-project 0ab4458df0688955620b72cc2c72a32dffad3615)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240508/202405081828.e6IMNKPn-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/202405081828.e6IMNKPn-lkp@intel.com/
All warnings (new ones prefixed by >>):
In file included from drivers/bluetooth/btmtk.c:8:
In file included from include/net/bluetooth/bluetooth.h:30:
In file included from include/net/sock.h:38:
In file included from include/linux/hardirq.h:11:
In file included from ./arch/hexagon/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/hexagon/include/asm/io.h:328:
include/asm-generic/io.h:547:31: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
547 | val = __raw_readb(PCI_IOBASE + addr);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:560:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
560 | val = __le16_to_cpu((__le16 __force)__raw_readw(PCI_IOBASE + addr));
| ~~~~~~~~~~ ^
include/uapi/linux/byteorder/little_endian.h:37:51: note: expanded from macro '__le16_to_cpu'
37 | #define __le16_to_cpu(x) ((__force __u16)(__le16)(x))
| ^
In file included from drivers/bluetooth/btmtk.c:8:
In file included from include/net/bluetooth/bluetooth.h:30:
In file included from include/net/sock.h:38:
In file included from include/linux/hardirq.h:11:
In file included from ./arch/hexagon/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/hexagon/include/asm/io.h:328:
include/asm-generic/io.h:573:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
573 | val = __le32_to_cpu((__le32 __force)__raw_readl(PCI_IOBASE + addr));
| ~~~~~~~~~~ ^
include/uapi/linux/byteorder/little_endian.h:35:51: note: expanded from macro '__le32_to_cpu'
35 | #define __le32_to_cpu(x) ((__force __u32)(__le32)(x))
| ^
In file included from drivers/bluetooth/btmtk.c:8:
In file included from include/net/bluetooth/bluetooth.h:30:
In file included from include/net/sock.h:38:
In file included from include/linux/hardirq.h:11:
In file included from ./arch/hexagon/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/hexagon/include/asm/io.h:328:
include/asm-generic/io.h:584:33: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
584 | __raw_writeb(value, PCI_IOBASE + addr);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:594:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
594 | __raw_writew((u16 __force)cpu_to_le16(value), PCI_IOBASE + addr);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:604:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
604 | __raw_writel((u32 __force)cpu_to_le32(value), PCI_IOBASE + addr);
| ~~~~~~~~~~ ^
In file included from drivers/bluetooth/btmtk.c:8:
In file included from include/net/bluetooth/bluetooth.h:30:
In file included from include/net/sock.h:46:
In file included from include/linux/netdevice.h:38:
In file included from include/net/net_namespace.h:43:
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:10:
In file included from include/linux/mm.h:2210:
include/linux/vmstat.h:522:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion]
522 | return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_"
| ~~~~~~~~~~~ ^ ~~~
>> drivers/bluetooth/btmtk.c:114:3: warning: 'snprintf' will always be truncated; specified size is 4, but format string expands to at least 41 [-Wformat-truncation]
114 | snprintf(buf, sizeof(size),
| ^
8 warnings generated.
vim +/snprintf +114 drivers/bluetooth/btmtk.c
105
106 void btmtk_fw_get_filename(char *buf, size_t size, u32 dev_id, u32 fw_ver,
107 u32 fw_flavor)
108 {
109 if (dev_id == 0x7925)
110 snprintf(buf, size,
111 "mediatek/mt%04x/BT_RAM_CODE_MT%04x_1_%x_hdr.bin",
112 dev_id & 0xffff, dev_id & 0xffff, (fw_ver & 0xff) + 1);
113 else if (dev_id == 0x7961 && fw_flavor)
> 114 snprintf(buf, sizeof(size),
115 "mediatek/BT_RAM_CODE_MT%04x_1a_%x_hdr.bin",
116 dev_id & 0xffff, (fw_ver & 0xff) + 1);
117 else
118 snprintf(buf, size,
119 "mediatek/BT_RAM_CODE_MT%04x_1_%x_hdr.bin",
120 dev_id & 0xffff, (fw_ver & 0xff) + 1);
121 }
122 EXPORT_SYMBOL_GPL(btmtk_fw_get_filename);
123
--
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https://github.com/intel/lkp-tests/wiki
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