[PATCH] floppy: check_events callback should not return a negative number

[Yufen Yu]

Since .check_events interface return an unsigned int value,
floppy_check_events() should not return a negative error number.
Otherwise, disk_check_events() may process wiht an unexpected path.

fixes: a0c80efe5956 ("floppy: fix lock_fdc() signal handling")
Signed-off-by: Yufen Yu <yuyu...@huawei.com>
---
 drivers/block/floppy.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/block/floppy.c b/drivers/block/floppy.c
index 6f2856c6d0f2..55481b40df9a 100644
--- a/drivers/block/floppy.c
+++ b/drivers/block/floppy.c
@@ -4075,7 +4075,7 @@ static unsigned int floppy_check_events(struct gendisk 
*disk,
 
        if (time_after(jiffies, UDRS->last_checked + UDP->checkfreq)) {
                if (lock_fdc(drive))
-                       return -EINTR;
+                       return 0;
                poll_drive(false, 0);
                process_fd_request();
        }
-- 
2.16.2.dirty