Merge master.kernel.org:/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6

[safe/jmp/linux-2.6] / drivers / scsi / sg.c

diff --git a/drivers/scsi/sg.c b/drivers/scsi/sg.c
index 0e0ca8f..7405d0d 100644 (file)
--- 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>
@@ -1332,7 +1331,7 @@ 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;
@@ -1344,12 +1343,11 @@ 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;
@@ -1362,7 +1360,6 @@ 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;
@@ -1429,14 +1426,10 @@ 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;
@@ -1526,7 +1519,6 @@ 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)
@@ -1548,6 +1540,7 @@ 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))");
@@ -2943,4 +2936,3 @@ 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);