Re: [PATCH v2] block/floppy.c: handle blk_register_region() return value

From: kbuild test robot
Date: Tue Nov 10 2015 - 03:21:39 EST


Hi Vishnu,

[auto build test ERROR on block/for-next]
[also build test ERROR on v4.3 next-20151110]

url: https://github.com/0day-ci/linux/commits/Vishnu-Pratap-Singh/block-floppy-c-handle-blk_register_region-return-value/20151110-112959
base: https://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block.git for-next
config: x86_64-rhel (attached as .config)
reproduce:
# save the attached .config to linux build tree
make ARCH=x86_64

All errors (new ones prefixed by >>):

drivers/block/floppy.c: In function 'do_floppy_init':
>> drivers/block/floppy.c:4222:6: error: void value not ignored as it ought to be
err = blk_register_region(MKDEV(FLOPPY_MAJOR, 0), 256, THIS_MODULE,
^

vim +4222 drivers/block/floppy.c

4216 goto out_put_disk;
4217
4218 err = platform_driver_register(&floppy_driver);
4219 if (err)
4220 goto out_unreg_blkdev;
4221
> 4222 err = blk_register_region(MKDEV(FLOPPY_MAJOR, 0), 256, THIS_MODULE,
4223 floppy_find, NULL, NULL);
4224 if (err)
4225 goto out_driver_unregister;

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