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Date:   Mon, 20 Jun 2022 05:27:02 +0800
From:   kernel test robot <lkp@...el.com>
To:     Bart Van Assche <bvanassche@....org>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org
Subject: [bvanassche:block-bitwise-opf 15/15]
 drivers/block/pktcdvd.c:1232:18: sparse: sparse: incorrect type in argument
 5 (different base types)

tree:   https://github.com/bvanassche/linux block-bitwise-opf
head:   031ccdd616b11c4e774e56aa7eae906188ab24cc
commit: 031ccdd616b11c4e774e56aa7eae906188ab24cc [15/15] block: Introduce the type blk_mq_opf_t
config: riscv-randconfig-s031-20220619 (https://download.01.org/0day-ci/archive/20220620/202206200524.TTdzNLDl-lkp@intel.com/config)
compiler: riscv32-linux-gcc (GCC) 11.3.0
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: v0.6.4-30-g92122700-dirty
        # https://github.com/bvanassche/linux/commit/031ccdd616b11c4e774e56aa7eae906188ab24cc
        git remote add bvanassche https://github.com/bvanassche/linux
        git fetch --no-tags bvanassche block-bitwise-opf
        git checkout 031ccdd616b11c4e774e56aa7eae906188ab24cc
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.3.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=riscv SHELL=/bin/bash drivers/block/

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


sparse warnings: (new ones prefixed by >>)
>> drivers/block/pktcdvd.c:1232:18: sparse: sparse: incorrect type in argument 5 (different base types) @@     expected restricted blk_mq_opf_t [usertype] opf @@     got int @@
   drivers/block/pktcdvd.c:1232:18: sparse:     expected restricted blk_mq_opf_t [usertype] opf
   drivers/block/pktcdvd.c:1232:18: sparse:     got int
--
>> drivers/block/zram/zram_drv.c:749:41: sparse: sparse: restricted blk_mq_opf_t degrades to integer
>> drivers/block/zram/zram_drv.c:749:39: sparse: sparse: incorrect type in argument 5 (different base types) @@     expected restricted blk_mq_opf_t [usertype] opf @@     got unsigned int @@
   drivers/block/zram/zram_drv.c:749:39: sparse:     expected restricted blk_mq_opf_t [usertype] opf
   drivers/block/zram/zram_drv.c:749:39: sparse:     got unsigned int
   drivers/block/zram/zram_drv.c: note: in included file (through include/linux/list_bl.h, include/linux/rculist_bl.h, include/linux/dcache.h, ...):
   include/linux/bit_spinlock.h:41:19: sparse: sparse: context imbalance in 'zram_slot_trylock' - different lock contexts for basic block
   include/linux/bit_spinlock.h:35:9: sparse: sparse: context imbalance in 'zram_slot_lock' - wrong count at exit
   include/linux/bit_spinlock.h:63:25: sparse: sparse: context imbalance in 'zram_slot_unlock' - unexpected unlock

vim +1232 drivers/block/pktcdvd.c

5f03414d4098b5 Christoph Hellwig 2021-04-12  1222  
^1da177e4c3f41 Linus Torvalds    2005-04-16  1223  /*
^1da177e4c3f41 Linus Torvalds    2005-04-16  1224   * Assemble a bio to write one packet and queue the bio for processing
^1da177e4c3f41 Linus Torvalds    2005-04-16  1225   * by the underlying block device.
^1da177e4c3f41 Linus Torvalds    2005-04-16  1226   */
^1da177e4c3f41 Linus Torvalds    2005-04-16  1227  static void pkt_start_write(struct pktcdvd_device *pd, struct packet_data *pkt)
^1da177e4c3f41 Linus Torvalds    2005-04-16  1228  {
^1da177e4c3f41 Linus Torvalds    2005-04-16  1229  	int f;
^1da177e4c3f41 Linus Torvalds    2005-04-16  1230  
852ad96cb03621 Christoph Hellwig 2022-04-06  1231  	bio_init(pkt->w_bio, pd->bdev, pkt->w_bio->bi_inline_vecs, pkt->frames,
852ad96cb03621 Christoph Hellwig 2022-04-06 @1232  		 REQ_OP_WRITE);
4f024f3797c43c Kent Overstreet   2013-10-11  1233  	pkt->w_bio->bi_iter.bi_sector = pkt->sector;
ffb25dc60ff14f Kent Overstreet   2012-09-04  1234  	pkt->w_bio->bi_end_io = pkt_end_io_packet_write;
ffb25dc60ff14f Kent Overstreet   2012-09-04  1235  	pkt->w_bio->bi_private = pkt;
ffb25dc60ff14f Kent Overstreet   2012-09-04  1236  
ffb25dc60ff14f Kent Overstreet   2012-09-04  1237  	/* XXX: locking? */
^1da177e4c3f41 Linus Torvalds    2005-04-16  1238  	for (f = 0; f < pkt->frames; f++) {
feebd568725775 Christoph Hellwig 2016-10-27  1239  		struct page *page = pkt->pages[(f * CD_FRAMESIZE) / PAGE_SIZE];
feebd568725775 Christoph Hellwig 2016-10-27  1240  		unsigned offset = (f * CD_FRAMESIZE) % PAGE_SIZE;
feebd568725775 Christoph Hellwig 2016-10-27  1241  
feebd568725775 Christoph Hellwig 2016-10-27  1242  		if (!bio_add_page(pkt->w_bio, page, CD_FRAMESIZE, offset))
ffb25dc60ff14f Kent Overstreet   2012-09-04  1243  			BUG();
^1da177e4c3f41 Linus Torvalds    2005-04-16  1244  	}
844aa7974395df Joe Perches       2013-09-11  1245  	pkt_dbg(2, pd, "vcnt=%d\n", pkt->w_bio->bi_vcnt);
^1da177e4c3f41 Linus Torvalds    2005-04-16  1246  
^1da177e4c3f41 Linus Torvalds    2005-04-16  1247  	/*
72772323746805 Peter Osterlund   2006-02-14  1248  	 * Fill-in bvec with data from orig_bios.
^1da177e4c3f41 Linus Torvalds    2005-04-16  1249  	 */
^1da177e4c3f41 Linus Torvalds    2005-04-16  1250  	spin_lock(&pkt->lock);
45db54d58de0b7 Kent Overstreet   2018-05-08  1251  	bio_list_copy_data(pkt->w_bio, pkt->orig_bios.head);
^1da177e4c3f41 Linus Torvalds    2005-04-16  1252  
^1da177e4c3f41 Linus Torvalds    2005-04-16  1253  	pkt_set_state(pkt, PACKET_WRITE_WAIT_STATE);
^1da177e4c3f41 Linus Torvalds    2005-04-16  1254  	spin_unlock(&pkt->lock);
^1da177e4c3f41 Linus Torvalds    2005-04-16  1255  
844aa7974395df Joe Perches       2013-09-11  1256  	pkt_dbg(2, pd, "Writing %d frames for zone %llx\n",
ffb25dc60ff14f Kent Overstreet   2012-09-04  1257  		pkt->write_size, (unsigned long long)pkt->sector);
^1da177e4c3f41 Linus Torvalds    2005-04-16  1258  
feebd568725775 Christoph Hellwig 2016-10-27  1259  	if (test_bit(PACKET_MERGE_SEGS, &pd->flags) || (pkt->write_size < pkt->frames))
^1da177e4c3f41 Linus Torvalds    2005-04-16  1260  		pkt->cache_valid = 1;
feebd568725775 Christoph Hellwig 2016-10-27  1261  	else
^1da177e4c3f41 Linus Torvalds    2005-04-16  1262  		pkt->cache_valid = 0;
^1da177e4c3f41 Linus Torvalds    2005-04-16  1263  
^1da177e4c3f41 Linus Torvalds    2005-04-16  1264  	/* Start the write request */
^1da177e4c3f41 Linus Torvalds    2005-04-16  1265  	atomic_set(&pkt->io_wait, 1);
46c271bedd2c84 Peter Osterlund   2005-06-23  1266  	pkt_queue_bio(pd, pkt->w_bio);
^1da177e4c3f41 Linus Torvalds    2005-04-16  1267  }
^1da177e4c3f41 Linus Torvalds    2005-04-16  1268  

:::::: The code at line 1232 was first introduced by commit
:::::: 852ad96cb03621f7995764b4b31cbff9801d8bcd pktcdvd: stop using bio_reset

:::::: TO: Christoph Hellwig <hch@....de>
:::::: CC: Jens Axboe <axboe@...nel.dk>

-- 
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