diff options
Diffstat (limited to 'drivers/block/floppy.c')
| -rw-r--r-- | drivers/block/floppy.c | 17 |
1 files changed, 11 insertions, 6 deletions
diff --git a/drivers/block/floppy.c b/drivers/block/floppy.c index 5eadbb9..13b8a9b 100644 --- a/drivers/block/floppy.c +++ b/drivers/block/floppy.c @@ -98,6 +98,10 @@ */ /* + * 1998/1/21 -- Richard Gooch <rgooch@atnf.csiro.au> -- devfs support + */ + +/* * 1998/05/07 -- Russell King -- More portability cleanups; moved definition of * interrupt and dma channel to asm/floppy.h. Cleaned up some formatting & * use of '0' for NULL. @@ -158,10 +162,6 @@ static int print_unex = 1; #define FDPATCHES #include <linux/fdreg.h> -/* - * 1998/1/21 -- Richard Gooch <rgooch@atnf.csiro.au> -- devfs support - */ - #include <linux/fd.h> #include <linux/hdreg.h> @@ -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) |
