diff options
| author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-09-17 02:25:44 -0300 |
|---|---|---|
| committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-09-17 02:25:44 -0300 |
| commit | 5b465b045af3a649a89b8a5c5bfdece20ffc0345 (patch) | |
| tree | 934f851eaec863864e15fa7ef9514a445a9e88ff /drivers/block/floppy.c | |
| parent | 0520a938e11c34a5ffc422b9316b85e294b0fbb2 (diff) | |
Linux-libre 4.7.4-gnupck-4.7.4-gnu
Diffstat (limited to 'drivers/block/floppy.c')
| -rw-r--r-- | drivers/block/floppy.c | 34 |
1 files changed, 15 insertions, 19 deletions
diff --git a/drivers/block/floppy.c b/drivers/block/floppy.c index 84708a5f8..b206115d7 100644 --- a/drivers/block/floppy.c +++ b/drivers/block/floppy.c @@ -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) { @@ -3711,20 +3706,21 @@ static int floppy_open(struct block_device *bdev, fmode_t mode) if (UFDCS->rawcmd == 1) UFDCS->rawcmd = 2; - UDRS->last_checked = 0; - clear_bit(FD_OPEN_SHOULD_FAIL_BIT, &UDRS->flags); - check_disk_change(bdev); - if (test_bit(FD_DISK_CHANGED_BIT, &UDRS->flags)) - 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; - + 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); + if (test_bit(FD_DISK_CHANGED_BIT, &UDRS->flags)) + 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; |