diff options
Diffstat (limited to 'drivers/scsi/st.c')
| -rw-r--r-- | drivers/scsi/st.c | 47 |
1 files changed, 28 insertions, 19 deletions
diff --git a/drivers/scsi/st.c b/drivers/scsi/st.c index 265d1eed64fa..0291a8fb654d 100644 --- a/drivers/scsi/st.c +++ b/drivers/scsi/st.c @@ -17,7 +17,7 @@ Last modified: 18-JAN-1998 Richard Gooch <rgooch@atnf.csiro.au> Devfs support */ -static char *verstr = "20050312"; +static char *verstr = "20050501"; #include <linux/module.h> @@ -29,6 +29,7 @@ static char *verstr = "20050312"; #include <linux/string.h> #include <linux/errno.h> #include <linux/mtio.h> +#include <linux/cdrom.h> #include <linux/ioctl.h> #include <linux/fcntl.h> #include <linux/spinlock.h> @@ -50,6 +51,7 @@ static char *verstr = "20050312"; #include <scsi/scsi_host.h> #include <scsi/scsi_ioctl.h> #include <scsi/scsi_request.h> +#include <scsi/sg.h> /* The driver prints some debugging information on the console if DEBUG @@ -82,7 +84,7 @@ static int try_wdio = 1; static int st_dev_max; static int st_nr_dev; -static struct class_simple *st_sysfs_class; +static struct class *st_sysfs_class; MODULE_AUTHOR("Kai Makisara"); MODULE_DESCRIPTION("SCSI Tape Driver"); @@ -3463,7 +3465,10 @@ static int st_ioctl(struct inode *inode, struct file *file, case SCSI_IOCTL_GET_BUS_NUMBER: break; default: - if (!capable(CAP_SYS_ADMIN)) + if ((cmd_in == SG_IO || + cmd_in == SCSI_IOCTL_SEND_COMMAND || + cmd_in == CDROM_SEND_PACKET) && + !capable(CAP_SYS_RAWIO)) i = -EPERM; else i = scsi_cmd_ioctl(file, STp->disk, cmd_in, p); @@ -3471,10 +3476,12 @@ static int st_ioctl(struct inode *inode, struct file *file, return i; break; } - if (!capable(CAP_SYS_ADMIN) && - (cmd_in == SCSI_IOCTL_START_UNIT || cmd_in == SCSI_IOCTL_STOP_UNIT)) - return -EPERM; - return scsi_ioctl(STp->device, cmd_in, p); + retval = scsi_ioctl(STp->device, cmd_in, p); + if (!retval && cmd_in == SCSI_IOCTL_STOP_UNIT) { /* unload */ + STp->rew_at_close = 0; + STp->ready = ST_NO_TAPE; + } + return retval; out: up(&STp->lock); @@ -4017,8 +4024,9 @@ out_free_tape: if (STm->cdevs[j]) { if (cdev == STm->cdevs[j]) cdev = NULL; - class_simple_device_remove(MKDEV(SCSI_TAPE_MAJOR, - TAPE_MINOR(i, mode, j))); + class_device_destroy(st_sysfs_class, + MKDEV(SCSI_TAPE_MAJOR, + TAPE_MINOR(i, mode, j))); cdev_del(STm->cdevs[j]); } } @@ -4061,8 +4069,9 @@ static int st_remove(struct device *dev) devfs_remove("%s/mt%s", SDp->devfs_name, st_formats[j]); devfs_remove("%s/mt%sn", SDp->devfs_name, st_formats[j]); for (j=0; j < 2; j++) { - class_simple_device_remove(MKDEV(SCSI_TAPE_MAJOR, - TAPE_MINOR(i, mode, j))); + class_device_destroy(st_sysfs_class, + MKDEV(SCSI_TAPE_MAJOR, + TAPE_MINOR(i, mode, j))); cdev_del(tpnt->modes[mode].cdevs[j]); tpnt->modes[mode].cdevs[j] = NULL; } @@ -4127,7 +4136,7 @@ static int __init init_st(void) "st: Version %s, fixed bufsize %d, s/g segs %d\n", verstr, st_fixed_buffer_size, st_max_sg_segs); - st_sysfs_class = class_simple_create(THIS_MODULE, "scsi_tape"); + st_sysfs_class = class_create(THIS_MODULE, "scsi_tape"); if (IS_ERR(st_sysfs_class)) { st_sysfs_class = NULL; printk(KERN_ERR "Unable create sysfs class for SCSI tapes\n"); @@ -4141,7 +4150,7 @@ static int __init init_st(void) return 0; } if (st_sysfs_class) - class_simple_destroy(st_sysfs_class); + class_destroy(st_sysfs_class); unregister_chrdev_region(MKDEV(SCSI_TAPE_MAJOR, 0), ST_MAX_TAPE_ENTRIES); @@ -4154,7 +4163,7 @@ static int __init init_st(void) static void __exit exit_st(void) { if (st_sysfs_class) - class_simple_destroy(st_sysfs_class); + class_destroy(st_sysfs_class); st_sysfs_class = NULL; do_remove_driverfs_files(); scsi_unregister_driver(&st_template.gendrv); @@ -4277,12 +4286,12 @@ static void do_create_class_files(struct scsi_tape *STp, int dev_num, int mode) snprintf(name, 10, "%s%s%s", rew ? "n" : "", STp->disk->disk_name, st_formats[i]); st_class_member = - class_simple_device_add(st_sysfs_class, - MKDEV(SCSI_TAPE_MAJOR, - TAPE_MINOR(dev_num, mode, rew)), - &STp->device->sdev_gendev, "%s", name); + class_device_create(st_sysfs_class, + MKDEV(SCSI_TAPE_MAJOR, + TAPE_MINOR(dev_num, mode, rew)), + &STp->device->sdev_gendev, "%s", name); if (IS_ERR(st_class_member)) { - printk(KERN_WARNING "st%d: class_simple_device_add failed\n", + printk(KERN_WARNING "st%d: class_device_create failed\n", dev_num); goto out; } |