diff options
author | Dave Kleikamp <shaggy@austin.ibm.com> | 2006-01-24 14:34:47 -0600 |
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committer | Dave Kleikamp <shaggy@austin.ibm.com> | 2006-01-24 14:34:47 -0600 |
commit | 0a0fc0ddbe732779366ab6b1b879f62195e65967 (patch) | |
tree | 7b42490a676cf39ae0691b6859ecf7fd410f229b /drivers/block/paride/pf.c | |
parent | 4d5dbd0945d9e0833dd7964a3d6ee33157f7cc7a (diff) | |
parent | 3ee68c4af3fd7228c1be63254b9f884614f9ebb2 (diff) | |
download | kernel-crypto-0a0fc0ddbe732779366ab6b1b879f62195e65967.tar.gz kernel-crypto-0a0fc0ddbe732779366ab6b1b879f62195e65967.tar.xz kernel-crypto-0a0fc0ddbe732779366ab6b1b879f62195e65967.zip |
Merge with /home/shaggy/git/linus-clean/
Diffstat (limited to 'drivers/block/paride/pf.c')
-rw-r--r-- | drivers/block/paride/pf.c | 50 |
1 files changed, 26 insertions, 24 deletions
diff --git a/drivers/block/paride/pf.c b/drivers/block/paride/pf.c index e9746af29b9..852b564e903 100644 --- a/drivers/block/paride/pf.c +++ b/drivers/block/paride/pf.c @@ -205,6 +205,7 @@ static int pf_open(struct inode *inode, struct file *file); static void do_pf_request(request_queue_t * q); static int pf_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg); +static int pf_getgeo(struct block_device *bdev, struct hd_geometry *geo); static int pf_release(struct inode *inode, struct file *file); @@ -266,6 +267,7 @@ static struct block_device_operations pf_fops = { .open = pf_open, .release = pf_release, .ioctl = pf_ioctl, + .getgeo = pf_getgeo, .media_changed = pf_check_media, }; @@ -313,34 +315,34 @@ static int pf_open(struct inode *inode, struct file *file) return 0; } -static int pf_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg) +static int pf_getgeo(struct block_device *bdev, struct hd_geometry *geo) { - struct pf_unit *pf = inode->i_bdev->bd_disk->private_data; - struct hd_geometry __user *geo = (struct hd_geometry __user *) arg; - struct hd_geometry g; - sector_t capacity; - - if (cmd == CDROMEJECT) { - if (pf->access == 1) { - pf_eject(pf); - return 0; - } - return -EBUSY; - } - if (cmd != HDIO_GETGEO) - return -EINVAL; - capacity = get_capacity(pf->disk); + struct pf_unit *pf = bdev->bd_disk->private_data; + sector_t capacity = get_capacity(pf->disk); + if (capacity < PF_FD_MAX) { - g.cylinders = sector_div(capacity, PF_FD_HDS * PF_FD_SPT); - g.heads = PF_FD_HDS; - g.sectors = PF_FD_SPT; + geo->cylinders = sector_div(capacity, PF_FD_HDS * PF_FD_SPT); + geo->heads = PF_FD_HDS; + geo->sectors = PF_FD_SPT; } else { - g.cylinders = sector_div(capacity, PF_HD_HDS * PF_HD_SPT); - g.heads = PF_HD_HDS; - g.sectors = PF_HD_SPT; + geo->cylinders = sector_div(capacity, PF_HD_HDS * PF_HD_SPT); + geo->heads = PF_HD_HDS; + geo->sectors = PF_HD_SPT; } - if (copy_to_user(geo, &g, sizeof(g))) - return -EFAULT; + + return 0; +} + +static int pf_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg) +{ + struct pf_unit *pf = inode->i_bdev->bd_disk->private_data; + + if (cmd != CDROMEJECT) + return -EINVAL; + + if (pf->access != 1) + return -EBUSY; + pf_eject(pf); return 0; } |