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authorIngo Molnar <mingo@elte.hu>2008-09-10 08:05:45 -0400
committerIngo Molnar <mingo@elte.hu>2008-09-10 08:05:45 -0400
commit3ce9bcb583536c45a46c7302747029450e22279c (patch)
tree7a4167189ffc6dc909151d1a5d040f9f0656a9f4 /drivers/block
parent26fd10517e810dd59ea050b052de24a75ee6dc07 (diff)
parentf7d0b926ac8c8ec0c7a83ee69409bd2e6bb39f81 (diff)
Merge branch 'core/xen' into x86/xen
Diffstat (limited to 'drivers/block')
-rw-r--r--drivers/block/pktcdvd.c35
1 files changed, 10 insertions, 25 deletions
diff --git a/drivers/block/pktcdvd.c b/drivers/block/pktcdvd.c
index 158eed4d5161..29b7a648cc6e 100644
--- a/drivers/block/pktcdvd.c
+++ b/drivers/block/pktcdvd.c
@@ -49,7 +49,6 @@
49#include <linux/types.h> 49#include <linux/types.h>
50#include <linux/kernel.h> 50#include <linux/kernel.h>
51#include <linux/kthread.h> 51#include <linux/kthread.h>
52#include <linux/smp_lock.h>
53#include <linux/errno.h> 52#include <linux/errno.h>
54#include <linux/spinlock.h> 53#include <linux/spinlock.h>
55#include <linux/file.h> 54#include <linux/file.h>
@@ -2798,14 +2797,9 @@ out_mem:
2798 return ret; 2797 return ret;
2799} 2798}
2800 2799
2801static long pkt_ioctl(struct file *file, unsigned int cmd, unsigned long arg) 2800static int pkt_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg)
2802{ 2801{
2803 struct inode *inode = file->f_path.dentry->d_inode; 2802 struct pktcdvd_device *pd = inode->i_bdev->bd_disk->private_data;
2804 struct pktcdvd_device *pd;
2805 long ret;
2806
2807 lock_kernel();
2808 pd = inode->i_bdev->bd_disk->private_data;
2809 2803
2810 VPRINTK("pkt_ioctl: cmd %x, dev %d:%d\n", cmd, imajor(inode), iminor(inode)); 2804 VPRINTK("pkt_ioctl: cmd %x, dev %d:%d\n", cmd, imajor(inode), iminor(inode));
2811 2805
@@ -2818,8 +2812,7 @@ static long pkt_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
2818 case CDROM_LAST_WRITTEN: 2812 case CDROM_LAST_WRITTEN:
2819 case CDROM_SEND_PACKET: 2813 case CDROM_SEND_PACKET:
2820 case SCSI_IOCTL_SEND_COMMAND: 2814 case SCSI_IOCTL_SEND_COMMAND:
2821 ret = blkdev_ioctl(pd->bdev->bd_inode, file, cmd, arg); 2815 return blkdev_ioctl(pd->bdev->bd_inode, file, cmd, arg);
2822 break;
2823 2816
2824 case CDROMEJECT: 2817 case CDROMEJECT:
2825 /* 2818 /*
@@ -2828,15 +2821,14 @@ static long pkt_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
2828 */ 2821 */
2829 if (pd->refcnt == 1) 2822 if (pd->refcnt == 1)
2830 pkt_lock_door(pd, 0); 2823 pkt_lock_door(pd, 0);
2831 ret = blkdev_ioctl(pd->bdev->bd_inode, file, cmd, arg); 2824 return blkdev_ioctl(pd->bdev->bd_inode, file, cmd, arg);
2832 break;
2833 2825
2834 default: 2826 default:
2835 VPRINTK(DRIVER_NAME": Unknown ioctl for %s (%x)\n", pd->name, cmd); 2827 VPRINTK(DRIVER_NAME": Unknown ioctl for %s (%x)\n", pd->name, cmd);
2836 ret = -ENOTTY; 2828 return -ENOTTY;
2837 } 2829 }
2838 unlock_kernel(); 2830
2839 return ret; 2831 return 0;
2840} 2832}
2841 2833
2842static int pkt_media_changed(struct gendisk *disk) 2834static int pkt_media_changed(struct gendisk *disk)
@@ -2858,7 +2850,7 @@ static struct block_device_operations pktcdvd_ops = {
2858 .owner = THIS_MODULE, 2850 .owner = THIS_MODULE,
2859 .open = pkt_open, 2851 .open = pkt_open,
2860 .release = pkt_close, 2852 .release = pkt_close,
2861 .unlocked_ioctl = pkt_ioctl, 2853 .ioctl = pkt_ioctl,
2862 .media_changed = pkt_media_changed, 2854 .media_changed = pkt_media_changed,
2863}; 2855};
2864 2856
@@ -3023,8 +3015,7 @@ static void pkt_get_status(struct pkt_ctrl_command *ctrl_cmd)
3023 mutex_unlock(&ctl_mutex); 3015 mutex_unlock(&ctl_mutex);
3024} 3016}
3025 3017
3026static long pkt_ctl_ioctl(struct file *file, unsigned int cmd, 3018static int pkt_ctl_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg)
3027 unsigned long arg)
3028{ 3019{
3029 void __user *argp = (void __user *)arg; 3020 void __user *argp = (void __user *)arg;
3030 struct pkt_ctrl_command ctrl_cmd; 3021 struct pkt_ctrl_command ctrl_cmd;
@@ -3041,22 +3032,16 @@ static long pkt_ctl_ioctl(struct file *file, unsigned int cmd,
3041 case PKT_CTRL_CMD_SETUP: 3032 case PKT_CTRL_CMD_SETUP:
3042 if (!capable(CAP_SYS_ADMIN)) 3033 if (!capable(CAP_SYS_ADMIN))
3043 return -EPERM; 3034 return -EPERM;
3044 lock_kernel();
3045 ret = pkt_setup_dev(new_decode_dev(ctrl_cmd.dev), &pkt_dev); 3035 ret = pkt_setup_dev(new_decode_dev(ctrl_cmd.dev), &pkt_dev);
3046 ctrl_cmd.pkt_dev = new_encode_dev(pkt_dev); 3036 ctrl_cmd.pkt_dev = new_encode_dev(pkt_dev);
3047 unlock_kernel();
3048 break; 3037 break;
3049 case PKT_CTRL_CMD_TEARDOWN: 3038 case PKT_CTRL_CMD_TEARDOWN:
3050 if (!capable(CAP_SYS_ADMIN)) 3039 if (!capable(CAP_SYS_ADMIN))
3051 return -EPERM; 3040 return -EPERM;
3052 lock_kernel();
3053 ret = pkt_remove_dev(new_decode_dev(ctrl_cmd.pkt_dev)); 3041 ret = pkt_remove_dev(new_decode_dev(ctrl_cmd.pkt_dev));
3054 unlock_kernel();
3055 break; 3042 break;
3056 case PKT_CTRL_CMD_STATUS: 3043 case PKT_CTRL_CMD_STATUS:
3057 lock_kernel();
3058 pkt_get_status(&ctrl_cmd); 3044 pkt_get_status(&ctrl_cmd);
3059 unlock_kernel();
3060 break; 3045 break;
3061 default: 3046 default:
3062 return -ENOTTY; 3047 return -ENOTTY;
@@ -3069,7 +3054,7 @@ static long pkt_ctl_ioctl(struct file *file, unsigned int cmd,
3069 3054
3070 3055
3071static const struct file_operations pkt_ctl_fops = { 3056static const struct file_operations pkt_ctl_fops = {
3072 .unlocked_ioctl = pkt_ctl_ioctl, 3057 .ioctl = pkt_ctl_ioctl,
3073 .owner = THIS_MODULE, 3058 .owner = THIS_MODULE,
3074}; 3059};
3075 3060