drivers/net/ethernet/adaptec/starfire.c:1831:41: sparse: sparse: incorrect type in argument 1 (different base types)

From: kernel test robot
Date: Wed Feb 01 2023 - 09:47:37 EST

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tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: c0b67534c95c537f7a506a06b98e5e85d72e2b7d
commit: 548927e0312194167f7ee5de47d50c2036088cce arm64: io: Use asm-generic high level MMIO accessors
date: 8 months ago
config: arm64-randconfig-s042-20230201 (https://download.01.org/0day-ci/archive/20230201/202302012215.YjNBuRBU-lkp@xxxxxxxxx/config)
compiler: aarch64-linux-gcc (GCC) 12.1.0
reproduce:
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# apt-get install sparse
# sparse version: v0.6.4-39-gce1a6720-dirty
# https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=548927e0312194167f7ee5de47d50c2036088cce
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout 548927e0312194167f7ee5de47d50c2036088cce
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=arm64 olddefconfig
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=arm64 SHELL=/bin/bash drivers/net/ethernet/adaptec/ drivers/pci/

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@xxxxxxxxx>

sparse warnings: (new ones prefixed by >>)
drivers/net/ethernet/adaptec/starfire.c:1515:35: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __wsum [usertype] csum @@ got unsigned short [usertype] @@
drivers/net/ethernet/adaptec/starfire.c:1515:35: sparse: expected restricted __wsum [usertype] csum
drivers/net/ethernet/adaptec/starfire.c:1515:35: sparse: got unsigned short [usertype]
>> drivers/net/ethernet/adaptec/starfire.c:1831:41: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned short [usertype] value @@ got restricted __le16 @@
drivers/net/ethernet/adaptec/starfire.c:1831:41: sparse: expected unsigned short [usertype] value
drivers/net/ethernet/adaptec/starfire.c:1831:41: sparse: got restricted __le16

vim +1831 drivers/net/ethernet/adaptec/starfire.c

5da96be53a16a6 drivers/net/starfire.c Jiri Pirko 2011-07-20 1782
^1da177e4c3f41 drivers/net/starfire.c Linus Torvalds 2005-04-16 1783 if (dev->flags & IFF_PROMISC) { /* Set promiscuous. */
^1da177e4c3f41 drivers/net/starfire.c Linus Torvalds 2005-04-16 1784 rx_mode |= AcceptAll;
4cd24eaf0c6ee7 drivers/net/starfire.c Jiri Pirko 2010-02-08 1785 } else if ((netdev_mc_count(dev) > multicast_filter_limit) ||
8e95a2026f3b43 drivers/net/starfire.c Joe Perches 2009-12-03 1786 (dev->flags & IFF_ALLMULTI)) {
^1da177e4c3f41 drivers/net/starfire.c Linus Torvalds 2005-04-16 1787 /* Too many to match, or accept all multicasts. */
^1da177e4c3f41 drivers/net/starfire.c Linus Torvalds 2005-04-16 1788 rx_mode |= AcceptBroadcast|AcceptAllMulticast|PerfectFilter;
4cd24eaf0c6ee7 drivers/net/starfire.c Jiri Pirko 2010-02-08 1789 } else if (netdev_mc_count(dev) <= 14) {
^1da177e4c3f41 drivers/net/starfire.c Linus Torvalds 2005-04-16 1790 /* Use the 16 element perfect filter, skip first two entries. */
^1da177e4c3f41 drivers/net/starfire.c Linus Torvalds 2005-04-16 1791 void __iomem *filter_addr = ioaddr + PerfFilterTable + 2 * 16;
766607570becbd drivers/net/ethernet/adaptec/starfire.c Jakub Kicinski 2021-10-14 1792 const __be16 *eaddrs;
22bedad3ce112d drivers/net/starfire.c Jiri Pirko 2010-04-01 1793 netdev_for_each_mc_addr(ha, dev) {
22bedad3ce112d drivers/net/starfire.c Jiri Pirko 2010-04-01 1794 eaddrs = (__be16 *) ha->addr;
88b1943bd3e4d2 drivers/net/starfire.c Al Viro 2007-08-23 1795 writew(be16_to_cpu(eaddrs[2]), filter_addr); filter_addr += 4;
88b1943bd3e4d2 drivers/net/starfire.c Al Viro 2007-08-23 1796 writew(be16_to_cpu(eaddrs[1]), filter_addr); filter_addr += 4;
88b1943bd3e4d2 drivers/net/starfire.c Al Viro 2007-08-23 1797 writew(be16_to_cpu(eaddrs[0]), filter_addr); filter_addr += 8;
^1da177e4c3f41 drivers/net/starfire.c Linus Torvalds 2005-04-16 1798 }
766607570becbd drivers/net/ethernet/adaptec/starfire.c Jakub Kicinski 2021-10-14 1799 eaddrs = (const __be16 *)dev->dev_addr;
5508590c193661 drivers/net/starfire.c Jiri Pirko 2010-02-18 1800 i = netdev_mc_count(dev) + 2;
^1da177e4c3f41 drivers/net/starfire.c Linus Torvalds 2005-04-16 1801 while (i++ < 16) {
88b1943bd3e4d2 drivers/net/starfire.c Al Viro 2007-08-23 1802 writew(be16_to_cpu(eaddrs[0]), filter_addr); filter_addr += 4;
88b1943bd3e4d2 drivers/net/starfire.c Al Viro 2007-08-23 1803 writew(be16_to_cpu(eaddrs[1]), filter_addr); filter_addr += 4;
88b1943bd3e4d2 drivers/net/starfire.c Al Viro 2007-08-23 1804 writew(be16_to_cpu(eaddrs[2]), filter_addr); filter_addr += 8;
^1da177e4c3f41 drivers/net/starfire.c Linus Torvalds 2005-04-16 1805 }
^1da177e4c3f41 drivers/net/starfire.c Linus Torvalds 2005-04-16 1806 rx_mode |= AcceptBroadcast|PerfectFilter;
^1da177e4c3f41 drivers/net/starfire.c Linus Torvalds 2005-04-16 1807 } else {
^1da177e4c3f41 drivers/net/starfire.c Linus Torvalds 2005-04-16 1808 /* Must use a multicast hash table. */
^1da177e4c3f41 drivers/net/starfire.c Linus Torvalds 2005-04-16 1809 void __iomem *filter_addr;
766607570becbd drivers/net/ethernet/adaptec/starfire.c Jakub Kicinski 2021-10-14 1810 const __be16 *eaddrs;
88b1943bd3e4d2 drivers/net/starfire.c Al Viro 2007-08-23 1811 __le16 mc_filter[32] __attribute__ ((aligned(sizeof(long)))); /* Multicast hash filter */
^1da177e4c3f41 drivers/net/starfire.c Linus Torvalds 2005-04-16 1812
^1da177e4c3f41 drivers/net/starfire.c Linus Torvalds 2005-04-16 1813 memset(mc_filter, 0, sizeof(mc_filter));
22bedad3ce112d drivers/net/starfire.c Jiri Pirko 2010-04-01 1814 netdev_for_each_mc_addr(ha, dev) {
fdecea66687d76 drivers/net/starfire.c Jeff Garzik 2005-05-12 1815 /* The chip uses the upper 9 CRC bits
fdecea66687d76 drivers/net/starfire.c Jeff Garzik 2005-05-12 1816 as index into the hash table */
22bedad3ce112d drivers/net/starfire.c Jiri Pirko 2010-04-01 1817 int bit_nr = ether_crc_le(ETH_ALEN, ha->addr) >> 23;
88b1943bd3e4d2 drivers/net/starfire.c Al Viro 2007-08-23 1818 __le32 *fptr = (__le32 *) &mc_filter[(bit_nr >> 4) & ~1];
^1da177e4c3f41 drivers/net/starfire.c Linus Torvalds 2005-04-16 1819
^1da177e4c3f41 drivers/net/starfire.c Linus Torvalds 2005-04-16 1820 *fptr |= cpu_to_le32(1 << (bit_nr & 31));
^1da177e4c3f41 drivers/net/starfire.c Linus Torvalds 2005-04-16 1821 }
^1da177e4c3f41 drivers/net/starfire.c Linus Torvalds 2005-04-16 1822 /* Clear the perfect filter list, skip first two entries. */
^1da177e4c3f41 drivers/net/starfire.c Linus Torvalds 2005-04-16 1823 filter_addr = ioaddr + PerfFilterTable + 2 * 16;
766607570becbd drivers/net/ethernet/adaptec/starfire.c Jakub Kicinski 2021-10-14 1824 eaddrs = (const __be16 *)dev->dev_addr;
^1da177e4c3f41 drivers/net/starfire.c Linus Torvalds 2005-04-16 1825 for (i = 2; i < 16; i++) {
88b1943bd3e4d2 drivers/net/starfire.c Al Viro 2007-08-23 1826 writew(be16_to_cpu(eaddrs[0]), filter_addr); filter_addr += 4;
88b1943bd3e4d2 drivers/net/starfire.c Al Viro 2007-08-23 1827 writew(be16_to_cpu(eaddrs[1]), filter_addr); filter_addr += 4;
88b1943bd3e4d2 drivers/net/starfire.c Al Viro 2007-08-23 1828 writew(be16_to_cpu(eaddrs[2]), filter_addr); filter_addr += 8;
^1da177e4c3f41 drivers/net/starfire.c Linus Torvalds 2005-04-16 1829 }
^1da177e4c3f41 drivers/net/starfire.c Linus Torvalds 2005-04-16 1830 for (filter_addr = ioaddr + HashTable, i = 0; i < 32; filter_addr+= 16, i++)
^1da177e4c3f41 drivers/net/starfire.c Linus Torvalds 2005-04-16 @1831 writew(mc_filter[i], filter_addr);
^1da177e4c3f41 drivers/net/starfire.c Linus Torvalds 2005-04-16 1832 rx_mode |= AcceptBroadcast|PerfectFilter|HashFilter;
^1da177e4c3f41 drivers/net/starfire.c Linus Torvalds 2005-04-16 1833 }
^1da177e4c3f41 drivers/net/starfire.c Linus Torvalds 2005-04-16 1834 writel(rx_mode, ioaddr + RxFilterMode);
^1da177e4c3f41 drivers/net/starfire.c Linus Torvalds 2005-04-16 1835 }
^1da177e4c3f41 drivers/net/starfire.c Linus Torvalds 2005-04-16 1836

:::::: The code at line 1831 was first introduced by commit
:::::: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Linux-2.6.12-rc2

:::::: TO: Linus Torvalds <torvalds@xxxxxxxxxxxxxxx>
:::::: CC: Linus Torvalds <torvalds@xxxxxxxxxxxxxxx>

--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests

Next message: Krzysztof Kozlowski: "Re: [PATCH v4 4/5] dt-bindings: mfd: Add ADI MAX77541/MAX77540"
Previous message: Krzysztof Kozlowski: "Re: [PATCH v4 1/5] dt-bindings: regulator: Add ADI MAX77541/MAX77540 Regulator"
Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]