drivers/tty/ipwireless/hardware.c:431:30: sparse: sparse: incorrect type in argument 1 (different base types)

From: kernel test robot
Date: Wed Dec 13 2023 - 19:43:27 EST

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tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 5bd7ef53ffe5ca580e93e74eb8c81ed191ddc4bd
commit: 15104de122a4f0258981b06ed94cf616a6eb03ef x86: Adjust types used in port I/O helpers
date: 1 year, 8 months ago
config: i386-randconfig-061-20231101 (https://download.01.org/0day-ci/archive/20231214/202312140821.C5nNiybl-lkp@xxxxxxxxx/config)
compiler: gcc-12 (Debian 12.2.0-14) 12.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231214/202312140821.C5nNiybl-lkp@xxxxxxxxx/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@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202312140821.C5nNiybl-lkp@xxxxxxxxx/

sparse warnings: (new ones prefixed by >>)
>> drivers/tty/ipwireless/hardware.c:431:30: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned short [usertype] value @@ got restricted __le16 [assigned] [usertype] raw_data @@
drivers/tty/ipwireless/hardware.c:431:30: sparse: expected unsigned short [usertype] value
drivers/tty/ipwireless/hardware.c:431:30: sparse: got restricted __le16 [assigned] [usertype] raw_data
drivers/tty/ipwireless/hardware.c:445:30: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned short [usertype] value @@ got restricted __le16 [assigned] [usertype] raw_data @@
drivers/tty/ipwireless/hardware.c:445:30: sparse: expected unsigned short [usertype] value
drivers/tty/ipwireless/hardware.c:445:30: sparse: got restricted __le16 [assigned] [usertype] raw_data
drivers/tty/ipwireless/hardware.c:872:46: sparse: sparse: incorrect type in initializer (different base types) @@ expected restricted __le16 [usertype] raw_data @@ got unsigned short @@
drivers/tty/ipwireless/hardware.c:872:46: sparse: expected restricted __le16 [usertype] raw_data
drivers/tty/ipwireless/hardware.c:872:46: sparse: got unsigned short
drivers/tty/ipwireless/hardware.c:889:46: sparse: sparse: incorrect type in initializer (different base types) @@ expected restricted __le16 [usertype] raw_data @@ got unsigned short @@
drivers/tty/ipwireless/hardware.c:889:46: sparse: expected restricted __le16 [usertype] raw_data
drivers/tty/ipwireless/hardware.c:889:46: sparse: got unsigned short

vim +431 drivers/tty/ipwireless/hardware.c

d54c2752f6bb6cc drivers/char/pcmcia/ipwireless/hardware.c David Sterba 2008-07-28 403
93110f698fe92fc drivers/char/pcmcia/ipwireless/hardware.c David Sterba 2008-07-28 404 static void do_send_fragment(struct ipw_hardware *hw, unsigned char *data,
099dc4fb62653f6 drivers/char/pcmcia/ipwireless/hardware.c David Sterba 2008-02-07 405 unsigned length)
099dc4fb62653f6 drivers/char/pcmcia/ipwireless/hardware.c David Sterba 2008-02-07 406 {
d4c0deb7009217d drivers/char/pcmcia/ipwireless/hardware.c David Sterba 2008-07-28 407 unsigned i;
099dc4fb62653f6 drivers/char/pcmcia/ipwireless/hardware.c David Sterba 2008-02-07 408 unsigned long flags;
099dc4fb62653f6 drivers/char/pcmcia/ipwireless/hardware.c David Sterba 2008-02-07 409
099dc4fb62653f6 drivers/char/pcmcia/ipwireless/hardware.c David Sterba 2008-02-07 410 start_timing();
93110f698fe92fc drivers/char/pcmcia/ipwireless/hardware.c David Sterba 2008-07-28 411 BUG_ON(length > hw->ll_mtu);
099dc4fb62653f6 drivers/char/pcmcia/ipwireless/hardware.c David Sterba 2008-02-07 412
099dc4fb62653f6 drivers/char/pcmcia/ipwireless/hardware.c David Sterba 2008-02-07 413 if (ipwireless_debug)
099dc4fb62653f6 drivers/char/pcmcia/ipwireless/hardware.c David Sterba 2008-02-07 414 dump_data_bytes("send", data, length);
099dc4fb62653f6 drivers/char/pcmcia/ipwireless/hardware.c David Sterba 2008-02-07 415
63c4dbd1023b9ac drivers/char/pcmcia/ipwireless/hardware.c David Sterba 2008-07-28 416 spin_lock_irqsave(&hw->lock, flags);
099dc4fb62653f6 drivers/char/pcmcia/ipwireless/hardware.c David Sterba 2008-02-07 417
eb4e545d4ac82d9 drivers/char/pcmcia/ipwireless/hardware.c David Sterba 2008-06-06 418 hw->tx_ready = 0;
d54c2752f6bb6cc drivers/char/pcmcia/ipwireless/hardware.c David Sterba 2008-07-28 419 swap_packet_bitfield_to_le(data);
eb4e545d4ac82d9 drivers/char/pcmcia/ipwireless/hardware.c David Sterba 2008-06-06 420
099dc4fb62653f6 drivers/char/pcmcia/ipwireless/hardware.c David Sterba 2008-02-07 421 if (hw->hw_version == HW_VERSION_1) {
099dc4fb62653f6 drivers/char/pcmcia/ipwireless/hardware.c David Sterba 2008-02-07 422 outw((unsigned short) length, hw->base_port + IODWR);
099dc4fb62653f6 drivers/char/pcmcia/ipwireless/hardware.c David Sterba 2008-02-07 423
099dc4fb62653f6 drivers/char/pcmcia/ipwireless/hardware.c David Sterba 2008-02-07 424 for (i = 0; i < length; i += 2) {
099dc4fb62653f6 drivers/char/pcmcia/ipwireless/hardware.c David Sterba 2008-02-07 425 unsigned short d = data[i];
099dc4fb62653f6 drivers/char/pcmcia/ipwireless/hardware.c David Sterba 2008-02-07 426 __le16 raw_data;
099dc4fb62653f6 drivers/char/pcmcia/ipwireless/hardware.c David Sterba 2008-02-07 427
d4c0deb7009217d drivers/char/pcmcia/ipwireless/hardware.c David Sterba 2008-07-28 428 if (i + 1 < length)
099dc4fb62653f6 drivers/char/pcmcia/ipwireless/hardware.c David Sterba 2008-02-07 429 d |= data[i + 1] << 8;
099dc4fb62653f6 drivers/char/pcmcia/ipwireless/hardware.c David Sterba 2008-02-07 430 raw_data = cpu_to_le16(d);
099dc4fb62653f6 drivers/char/pcmcia/ipwireless/hardware.c David Sterba 2008-02-07 @431 outw(raw_data, hw->base_port + IODWR);
099dc4fb62653f6 drivers/char/pcmcia/ipwireless/hardware.c David Sterba 2008-02-07 432 }
099dc4fb62653f6 drivers/char/pcmcia/ipwireless/hardware.c David Sterba 2008-02-07 433
099dc4fb62653f6 drivers/char/pcmcia/ipwireless/hardware.c David Sterba 2008-02-07 434 outw(DCR_TXDONE, hw->base_port + IODCR);
099dc4fb62653f6 drivers/char/pcmcia/ipwireless/hardware.c David Sterba 2008-02-07 435 } else if (hw->hw_version == HW_VERSION_2) {
2e713165f892c83 drivers/char/pcmcia/ipwireless/hardware.c David Sterba 2008-07-28 436 outw((unsigned short) length, hw->base_port);
099dc4fb62653f6 drivers/char/pcmcia/ipwireless/hardware.c David Sterba 2008-02-07 437
099dc4fb62653f6 drivers/char/pcmcia/ipwireless/hardware.c David Sterba 2008-02-07 438 for (i = 0; i < length; i += 2) {
099dc4fb62653f6 drivers/char/pcmcia/ipwireless/hardware.c David Sterba 2008-02-07 439 unsigned short d = data[i];
099dc4fb62653f6 drivers/char/pcmcia/ipwireless/hardware.c David Sterba 2008-02-07 440 __le16 raw_data;
099dc4fb62653f6 drivers/char/pcmcia/ipwireless/hardware.c David Sterba 2008-02-07 441
d4c0deb7009217d drivers/char/pcmcia/ipwireless/hardware.c David Sterba 2008-07-28 442 if (i + 1 < length)
099dc4fb62653f6 drivers/char/pcmcia/ipwireless/hardware.c David Sterba 2008-02-07 443 d |= data[i + 1] << 8;
099dc4fb62653f6 drivers/char/pcmcia/ipwireless/hardware.c David Sterba 2008-02-07 444 raw_data = cpu_to_le16(d);
2e713165f892c83 drivers/char/pcmcia/ipwireless/hardware.c David Sterba 2008-07-28 445 outw(raw_data, hw->base_port);
099dc4fb62653f6 drivers/char/pcmcia/ipwireless/hardware.c David Sterba 2008-02-07 446 }
099dc4fb62653f6 drivers/char/pcmcia/ipwireless/hardware.c David Sterba 2008-02-07 447 while ((i & 3) != 2) {
2e713165f892c83 drivers/char/pcmcia/ipwireless/hardware.c David Sterba 2008-07-28 448 outw((unsigned short) 0xDEAD, hw->base_port);
099dc4fb62653f6 drivers/char/pcmcia/ipwireless/hardware.c David Sterba 2008-02-07 449 i += 2;
099dc4fb62653f6 drivers/char/pcmcia/ipwireless/hardware.c David Sterba 2008-02-07 450 }
099dc4fb62653f6 drivers/char/pcmcia/ipwireless/hardware.c David Sterba 2008-02-07 451 writew(MEMRX_RX, &hw->memory_info_regs->memreg_rx);
099dc4fb62653f6 drivers/char/pcmcia/ipwireless/hardware.c David Sterba 2008-02-07 452 }
099dc4fb62653f6 drivers/char/pcmcia/ipwireless/hardware.c David Sterba 2008-02-07 453
63c4dbd1023b9ac drivers/char/pcmcia/ipwireless/hardware.c David Sterba 2008-07-28 454 spin_unlock_irqrestore(&hw->lock, flags);
099dc4fb62653f6 drivers/char/pcmcia/ipwireless/hardware.c David Sterba 2008-02-07 455
099dc4fb62653f6 drivers/char/pcmcia/ipwireless/hardware.c David Sterba 2008-02-07 456 end_write_timing(length);
099dc4fb62653f6 drivers/char/pcmcia/ipwireless/hardware.c David Sterba 2008-02-07 457 }
099dc4fb62653f6 drivers/char/pcmcia/ipwireless/hardware.c David Sterba 2008-02-07 458

:::::: The code at line 431 was first introduced by commit
:::::: 099dc4fb62653f6019d78db55fba7a18ef02d65b ipwireless: driver for PC Card 3G/UMTS modem

:::::: TO: David Sterba <dsterba@xxxxxxx>
:::::: CC: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxxxxxxxx>

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Next message: Joel Stanley: "Re: [PATCH 00/11] Modify DTS of META Minerva CMM BMC(AST2600)"
Previous message: Andrey Konovalov: "Re: [PATCH mm 2/4] kasan: handle concurrent kasan_record_aux_stack calls"
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