diff options
Diffstat (limited to 'drivers/block/floppy.c')
| -rw-r--r-- | drivers/block/floppy.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/block/floppy.c b/drivers/block/floppy.c index 77cfd6916ff..13b8a9bed66 100644 --- a/drivers/block/floppy.c +++ b/drivers/block/floppy.c @@ -3714,6 +3714,12 @@ static int floppy_open(struct inode *inode, struct file *filp) USETF(FD_VERIFY); } + /* set underlying gendisk policy to reflect real ro/rw status */ + if (UTESTF(FD_DISK_WRITABLE)) + inode->i_bdev->bd_disk->policy = 0; + else + inode->i_bdev->bd_disk->policy = 1; + if (UDRS->fd_ref == -1 || (UDRS->fd_ref && (filp->f_flags & O_EXCL))) goto out2; @@ -3770,8 +3776,7 @@ static int floppy_open(struct inode *inode, struct file *filp) /* Allow ioctls if we have write-permissions even if read-only open. * Needed so that programs such as fdrawcmd still can work on write * protected disks */ - if (filp->f_mode & 2 - || permission(filp->f_dentry->d_inode, 2, NULL) == 0) + if ((filp->f_mode & FMODE_WRITE) || !file_permission(filp, MAY_WRITE)) filp->private_data = (void *)8; if (UFDCS->rawcmd == 1) |