Commit a15f1d0d authored by Jens Axboe's avatar Jens Axboe Committed by Greg Kroah-Hartman

Revert "floppy: refactor open() flags handling"

commit f2791e7e upstream.

This reverts commit 09954bad.

Cc: Mark Hounschell <markh@compro.net>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent d7f6728f
......@@ -3663,11 +3663,6 @@ static int floppy_open(struct block_device *bdev, fmode_t mode)
opened_bdev[drive] = bdev;
if (!(mode & (FMODE_READ|FMODE_WRITE))) {
res = -EINVAL;
goto out;
}
res = -ENXIO;
if (!floppy_track_buffer) {
......@@ -3711,6 +3706,8 @@ static int floppy_open(struct block_device *bdev, fmode_t mode)
if (UFDCS->rawcmd == 1)
UFDCS->rawcmd = 2;
if (!(mode & FMODE_NDELAY)) {
if (mode & (FMODE_READ|FMODE_WRITE)) {
UDRS->last_checked = 0;
clear_bit(FD_OPEN_SHOULD_FAIL_BIT, &UDRS->flags);
check_disk_change(bdev);
......@@ -3718,13 +3715,12 @@ static int floppy_open(struct block_device *bdev, fmode_t mode)
goto out;
if (test_bit(FD_OPEN_SHOULD_FAIL_BIT, &UDRS->flags))
goto out;
}
res = -EROFS;
if ((mode & FMODE_WRITE) &&
!test_bit(FD_DISK_WRITABLE_BIT, &UDRS->flags))
goto out;
}
mutex_unlock(&open_lock);
mutex_unlock(&floppy_mutex);
return 0;
......
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