diff options
Diffstat (limited to 'drivers/scsi/sg.c')
| -rw-r--r-- | drivers/scsi/sg.c | 18 |
1 files changed, 5 insertions, 13 deletions
diff --git a/drivers/scsi/sg.c b/drivers/scsi/sg.c index 5a0a19322d0..a8b05ce5de5 100644 --- a/drivers/scsi/sg.c +++ b/drivers/scsi/sg.c @@ -44,7 +44,6 @@ static int sg_version_num = 30533; /* 2 digits for each component */ #include <linux/poll.h> #include <linux/smp_lock.h> #include <linux/moduleparam.h> -#include <linux/devfs_fs_kernel.h> #include <linux/cdev.h> #include <linux/seq_file.h> #include <linux/blkdev.h> @@ -1361,7 +1360,7 @@ static int sg_alloc(struct gendisk *disk, struct scsi_device *scsidp) void *old_sg_dev_arr = NULL; int k, error; - sdp = kmalloc(sizeof(Sg_device), GFP_KERNEL); + sdp = kzalloc(sizeof(Sg_device), GFP_KERNEL); if (!sdp) { printk(KERN_WARNING "kmalloc Sg_device failure\n"); return -ENOMEM; @@ -1373,12 +1372,11 @@ static int sg_alloc(struct gendisk *disk, struct scsi_device *scsidp) int tmp_dev_max = sg_nr_dev + SG_DEV_ARR_LUMP; write_unlock_irqrestore(&sg_dev_arr_lock, iflags); - tmp_da = kmalloc(tmp_dev_max * sizeof(Sg_device *), GFP_KERNEL); + tmp_da = kzalloc(tmp_dev_max * sizeof(Sg_device *), GFP_KERNEL); if (unlikely(!tmp_da)) goto expand_failed; write_lock_irqsave(&sg_dev_arr_lock, iflags); - memset(tmp_da, 0, tmp_dev_max * sizeof(Sg_device *)); memcpy(tmp_da, sg_dev_arr, sg_dev_max * sizeof(Sg_device *)); old_sg_dev_arr = sg_dev_arr; sg_dev_arr = tmp_da; @@ -1391,7 +1389,6 @@ static int sg_alloc(struct gendisk *disk, struct scsi_device *scsidp) if (unlikely(k >= SG_MAX_DEVS)) goto overflow; - memset(sdp, 0, sizeof(*sdp)); SCSI_LOG_TIMEOUT(3, printk("sg_alloc: dev=%d \n", k)); sprintf(disk->disk_name, "sg%d", k); disk->first_minor = k; @@ -1458,14 +1455,10 @@ sg_add(struct class_device *cl_dev, struct class_interface *cl_intf) k = error; sdp = sg_dev_arr[k]; - devfs_mk_cdev(MKDEV(SCSI_GENERIC_MAJOR, k), - S_IFCHR | S_IRUSR | S_IWUSR | S_IRGRP, - "%s/generic", scsidp->devfs_name); error = cdev_add(cdev, MKDEV(SCSI_GENERIC_MAJOR, k), 1); - if (error) { - devfs_remove("%s/generic", scsidp->devfs_name); + if (error) goto out; - } + sdp->cdev = cdev; if (sg_sysfs_valid) { struct class_device * sg_class_member; @@ -1555,7 +1548,6 @@ sg_remove(struct class_device *cl_dev, struct class_interface *cl_intf) class_device_destroy(sg_sysfs_class, MKDEV(SCSI_GENERIC_MAJOR, k)); cdev_del(sdp->cdev); sdp->cdev = NULL; - devfs_remove("%s/generic", scsidp->devfs_name); put_disk(sdp->disk); sdp->disk = NULL; if (NULL == sdp->headfp) @@ -1577,6 +1569,7 @@ MODULE_AUTHOR("Douglas Gilbert"); MODULE_DESCRIPTION("SCSI generic (sg) driver"); MODULE_LICENSE("GPL"); MODULE_VERSION(SG_VERSION_STR); +MODULE_ALIAS_CHARDEV_MAJOR(SCSI_GENERIC_MAJOR); MODULE_PARM_DESC(def_reserved_size, "size of buffer reserved for each fd"); MODULE_PARM_DESC(allow_dio, "allow direct I/O (default: 0 (disallow))"); @@ -2974,4 +2967,3 @@ static int sg_proc_seq_show_debug(struct seq_file *s, void *v) module_init(init_sg); module_exit(exit_sg); -MODULE_ALIAS_CHARDEV_MAJOR(SCSI_GENERIC_MAJOR); |