[bvanassche:scsi-status 14/15] drivers/ide/ide-dma.c:491:32: error: incompatible types when assigning to type 'struct scsi_status' from type 'int'

[bvanassche:scsi-status 14/15] drivers/ide/ide-dma.c:491:32: error: incompatible types when assigning to type 'struct scsi_status' from type 'int'

[kernel test robot]

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tree:   https://github.com/bvanassche/linux scsi-status
head:   e3e8aaedcd689d1a2ae20024ed467d127bbe060a
commit: 87559dd4d6d375d2a9ac620763b0643fa80bd002 [14/15] Introduce struct scsi_status
config: mips-randconfig-r031-20210409 (attached as .config)
compiler: mips64el-linux-gcc (GCC) 9.3.0
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # https://github.com/bvanassche/linux/commit/87559dd4d6d375d2a9ac620763b0643fa80bd002
        git remote add bvanassche https://github.com/bvanassche/linux
        git fetch --no-tags bvanassche scsi-status
        git checkout 87559dd4d6d375d2a9ac620763b0643fa80bd002
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=mips 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All errors (new ones prefixed by >>):

   drivers/ide/ide-dma.c: In function 'ide_dma_timeout_retry':
>> drivers/ide/ide-dma.c:491:32: error: incompatible types when assigning to type 'struct scsi_status' from type 'int'
     491 |   scsi_req(hwif->rq)->result = 0;
         |                                ^


vim +491 drivers/ide/ide-dma.c

^1da177e4c3f41 Linus Torvalds            2005-04-16  440  
65ca5377322c75 Bartlomiej Zolnierkiewicz 2009-03-24  441  /*
65ca5377322c75 Bartlomiej Zolnierkiewicz 2009-03-24  442   * un-busy the port etc, and clear any pending DMA status. we want to
65ca5377322c75 Bartlomiej Zolnierkiewicz 2009-03-24  443   * retry the current request in pio mode instead of risking tossing it
65ca5377322c75 Bartlomiej Zolnierkiewicz 2009-03-24  444   * all away
65ca5377322c75 Bartlomiej Zolnierkiewicz 2009-03-24  445   */
65ca5377322c75 Bartlomiej Zolnierkiewicz 2009-03-24  446  ide_startstop_t ide_dma_timeout_retry(ide_drive_t *drive, int error)
65ca5377322c75 Bartlomiej Zolnierkiewicz 2009-03-24  447  {
65ca5377322c75 Bartlomiej Zolnierkiewicz 2009-03-24  448  	ide_hwif_t *hwif = drive->hwif;
35c9b4daf4c94b Bartlomiej Zolnierkiewicz 2009-03-31  449  	const struct ide_dma_ops *dma_ops = hwif->dma_ops;
f094d4d83bccee Bartlomiej Zolnierkiewicz 2009-03-31  450  	struct ide_cmd *cmd = &hwif->cmd;
65ca5377322c75 Bartlomiej Zolnierkiewicz 2009-03-24  451  	ide_startstop_t ret = ide_stopped;
65ca5377322c75 Bartlomiej Zolnierkiewicz 2009-03-24  452  
65ca5377322c75 Bartlomiej Zolnierkiewicz 2009-03-24  453  	/*
65ca5377322c75 Bartlomiej Zolnierkiewicz 2009-03-24  454  	 * end current dma transaction
65ca5377322c75 Bartlomiej Zolnierkiewicz 2009-03-24  455  	 */
65ca5377322c75 Bartlomiej Zolnierkiewicz 2009-03-24  456  
65ca5377322c75 Bartlomiej Zolnierkiewicz 2009-03-24  457  	if (error < 0) {
65ca5377322c75 Bartlomiej Zolnierkiewicz 2009-03-24  458  		printk(KERN_WARNING "%s: DMA timeout error\n", drive->name);
88b4132e101e60 Bartlomiej Zolnierkiewicz 2009-03-31  459  		drive->waiting_for_dma = 0;
35c9b4daf4c94b Bartlomiej Zolnierkiewicz 2009-03-31  460  		(void)dma_ops->dma_end(drive);
f094d4d83bccee Bartlomiej Zolnierkiewicz 2009-03-31  461  		ide_dma_unmap_sg(drive, cmd);
65ca5377322c75 Bartlomiej Zolnierkiewicz 2009-03-24  462  		ret = ide_error(drive, "dma timeout error",
65ca5377322c75 Bartlomiej Zolnierkiewicz 2009-03-24  463  				hwif->tp_ops->read_status(hwif));
65ca5377322c75 Bartlomiej Zolnierkiewicz 2009-03-24  464  	} else {
65ca5377322c75 Bartlomiej Zolnierkiewicz 2009-03-24  465  		printk(KERN_WARNING "%s: DMA timeout retry\n", drive->name);
35c9b4daf4c94b Bartlomiej Zolnierkiewicz 2009-03-31  466  		if (dma_ops->dma_clear)
35c9b4daf4c94b Bartlomiej Zolnierkiewicz 2009-03-31  467  			dma_ops->dma_clear(drive);
1cee52de28aa68 Bartlomiej Zolnierkiewicz 2009-03-31  468  		printk(KERN_ERR "%s: timeout waiting for DMA\n", drive->name);
1cee52de28aa68 Bartlomiej Zolnierkiewicz 2009-03-31  469  		if (dma_ops->dma_test_irq(drive) == 0) {
1cee52de28aa68 Bartlomiej Zolnierkiewicz 2009-03-31  470  			ide_dump_status(drive, "DMA timeout",
1cee52de28aa68 Bartlomiej Zolnierkiewicz 2009-03-31  471  					hwif->tp_ops->read_status(hwif));
88b4132e101e60 Bartlomiej Zolnierkiewicz 2009-03-31  472  			drive->waiting_for_dma = 0;
1cee52de28aa68 Bartlomiej Zolnierkiewicz 2009-03-31  473  			(void)dma_ops->dma_end(drive);
f094d4d83bccee Bartlomiej Zolnierkiewicz 2009-03-31  474  			ide_dma_unmap_sg(drive, cmd);
1cee52de28aa68 Bartlomiej Zolnierkiewicz 2009-03-31  475  		}
65ca5377322c75 Bartlomiej Zolnierkiewicz 2009-03-24  476  	}
65ca5377322c75 Bartlomiej Zolnierkiewicz 2009-03-24  477  
65ca5377322c75 Bartlomiej Zolnierkiewicz 2009-03-24  478  	/*
65ca5377322c75 Bartlomiej Zolnierkiewicz 2009-03-24  479  	 * disable dma for now, but remember that we did so because of
65ca5377322c75 Bartlomiej Zolnierkiewicz 2009-03-24  480  	 * a timeout -- we'll reenable after we finish this next request
65ca5377322c75 Bartlomiej Zolnierkiewicz 2009-03-24  481  	 * (or rather the first chunk of it) in pio.
65ca5377322c75 Bartlomiej Zolnierkiewicz 2009-03-24  482  	 */
65ca5377322c75 Bartlomiej Zolnierkiewicz 2009-03-24  483  	drive->dev_flags |= IDE_DFLAG_DMA_PIO_RETRY;
65ca5377322c75 Bartlomiej Zolnierkiewicz 2009-03-24  484  	drive->retry_pio++;
65ca5377322c75 Bartlomiej Zolnierkiewicz 2009-03-24  485  	ide_dma_off_quietly(drive);
65ca5377322c75 Bartlomiej Zolnierkiewicz 2009-03-24  486  
65ca5377322c75 Bartlomiej Zolnierkiewicz 2009-03-24  487  	/*
dd8717da6da9b0 Tejun Heo                 2010-04-08  488  	 * make sure request is sane
65ca5377322c75 Bartlomiej Zolnierkiewicz 2009-03-24  489  	 */
dd8717da6da9b0 Tejun Heo                 2010-04-08  490  	if (hwif->rq)
17d5363b83f8c7 Christoph Hellwig         2017-04-20 @491  		scsi_req(hwif->rq)->result = 0;
65ca5377322c75 Bartlomiej Zolnierkiewicz 2009-03-24  492  	return ret;
65ca5377322c75 Bartlomiej Zolnierkiewicz 2009-03-24  493  }
65ca5377322c75 Bartlomiej Zolnierkiewicz 2009-03-24  494  

:::::: The code at line 491 was first introduced by commit
:::::: 17d5363b83f8c73ef9109f75a4a9b578f31d842f scsi: introduce a result field in struct scsi_request

:::::: TO: Christoph Hellwig <hch@lst.de>
:::::: CC: Jens Axboe <axboe@fb.com>

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org

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