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Yufen Yu 96d7cb932e floppy: check_events callback should not return a negative number 
floppy_check_events() is supposed to return bit flags to say which
events occured. We should return zero to say that no event flags are
set.  Only BIT(0) and BIT(1) are used in the caller. And .check_events
interface also expect to return an unsigned int value.

However, after commit a0c80efe59, it may return -EINTR (-4u).
Here, both BIT(0) and BIT(1) are cleared. So this patch shouldn't
affect runtime, but it obviously is still worth fixing.

Reviewed-by: Dan Carpenter <dan.carpenter@oracle.com>
Fixes: a0c80efe59 ("floppy: fix lock_fdc() signal handling")
Signed-off-by: Yufen Yu <yuyufen@huawei.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
 		2019-02-12 09:13:18 -07:00
..
aoe aoe: add __exit annotation 2018-12-16 09:01:38 -07:00
drbd for-4.21/block-20190102 2019-01-02 18:49:58 -08:00
mtip32xx mtip32xx: use BLK_STS_DEV_RESOURCE for device resources 2018-12-10 14:45:19 -07:00
paride pd: replace ->special use with private data in the request 2018-11-10 08:03:50 -07:00
rsxx pci-v4.20-changes 2018-10-25 06:50:48 -07:00
xen-blkback xen/blkback: remove unused pers_gnts_lock from struct xen_blkif_ring 2018-08-27 12:12:04 -04:00
zram zram: idle writeback fixes and cleanup 2019-01-08 17:15:10 -08:00
Kconfig drivers/block: Remove DAC960 driver 2018-10-17 09:42:30 -06:00
Makefile drivers/block: Remove DAC960 driver 2018-10-17 09:42:30 -06:00
amiflop.c block/amiflop: Don't log error message on invalid ioctl 2018-12-31 10:19:11 -07:00
ataflop.c ataflop: implement mq_ops->commit_rqs() hook 2018-11-29 10:12:27 -07:00
brd.c block: brd: associate with queue until adding disk 2018-11-01 19:59:51 -06:00
cryptoloop.c block: cryptoloop: Remove VLA usage of skcipher 2018-09-28 12:46:07 +08:00
floppy.c floppy: check_events callback should not return a negative number 2019-02-12 09:13:18 -07:00
loop.c loop: drop caches if offset or block_size are changed 2019-01-09 20:51:44 -07:00
loop.h block/loop: Use global lock for ioctl() operation. 2018-11-08 06:30:11 -07:00
nbd.c nbd: Use set_blocksize() to set device blocksize 2019-01-15 07:30:54 -07:00
null_blk.h null_blk: add zoned config support information 2019-01-06 10:58:27 -07:00
null_blk_main.c block: remove the lock argument to blk_alloc_queue_node 2018-11-15 12:13:35 -07:00
null_blk_zoned.c null_blk: Add conventional zone configuration for zoned support 2018-11-07 13:41:50 -07:00
pktcdvd.c pktcdvd: remove queue_lock around blk_queue_max_hw_sectors 2018-11-16 09:16:59 -07:00
ps3disk.c ps3disk: convert to blk-mq 2018-10-15 20:07:56 -06:00
ps3vram.c block: genhd: add 'groups' argument to device_add_disk 2018-09-28 08:30:28 -06:00
rbd.c rbd: don't return 0 on unmap if RBD_DEV_FLAG_REMOVING is set 2019-01-10 09:45:09 +01:00
rbd_types.h rbd: RBD_V{1,2}_DATA_FORMAT macros 2017-02-20 12:16:15 +01:00
skd_main.c cross-tree: phase out dma_zalloc_coherent() 2019-01-08 07:58:37 -05:00
skd_s1120.h skd: Use __packed only when needed 2017-08-18 08:45:29 -06:00
sunvdc.c block: sunvdc: don't run hw queue synchronously from irq context 2019-01-03 08:21:47 -07:00
swim.c swim: convert to blk-mq 2018-10-16 09:49:18 -06:00
swim3.c block/swim3: Fix regression on PowerBook G3 2018-12-31 10:19:19 -07:00
swim_asm.S
…
sx8.c sx8: use a per-host tag_set 2018-11-09 08:14:14 -07:00
umem.c block: remove the lock argument to blk_alloc_queue_node 2018-11-15 12:13:35 -07:00
umem.h
…
virtio_blk.c virtio, vhost: features, fixes, cleanups 2019-01-02 18:54:45 -08:00
xen-blkfront.c xen: fixes for 4.20-rc2 2018-11-10 08:58:48 -06:00
xsysace.c xsysace: convert to blk-mq 2018-10-15 20:08:24 -06:00
z2ram.c powerpc updates for 4.20 2018-10-26 14:36:21 -07:00