X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;ds=sidebyside;f=drivers%2Fchar%2Fraw.c;h=47b8cf281d4a79766c0717dec1ea4380d2bf9717;hb=161c609173c40a39dc218d97a4a86592dfda31ba;hp=89b718e326e5a0873ca0002cc76441a3c5469238;hpb=543ade1fc901db4c3dbe9fb27241fb977f1f3eea;p=safe%2Fjmp%2Flinux-2.6

diff --git a/drivers/char/raw.c b/drivers/char/raw.c
index 89b718e..47b8cf2 100644
--- a/drivers/char/raw.c
+++ b/drivers/char/raw.c
@@ -19,6 +19,7 @@
 #include <linux/cdev.h>
 #include <linux/device.h>
 #include <linux/mutex.h>
+#include <linux/smp_lock.h>
 
 #include <asm/uaccess.h>
 
@@ -53,6 +54,7 @@ static int raw_open(struct inode *inode, struct file *filp)
 		return 0;
 	}
 
+	lock_kernel();
 	mutex_lock(&raw_mutex);
 
 	/*
@@ -75,10 +77,11 @@ static int raw_open(struct inode *inode, struct file *filp)
 	filp->f_flags |= O_DIRECT;
 	filp->f_mapping = bdev->bd_inode->i_mapping;
 	if (++raw_devices[minor].inuse == 1)
-		filp->f_dentry->d_inode->i_mapping =
+		filp->f_path.dentry->d_inode->i_mapping =
 			bdev->bd_inode->i_mapping;
 	filp->private_data = bdev;
 	mutex_unlock(&raw_mutex);
+	unlock_kernel();
 	return 0;
 
 out2:
@@ -127,9 +130,9 @@ raw_ioctl(struct inode *inode, struct file *filp,
 
 static void bind_device(struct raw_config_request *rq)
 {
-	class_device_destroy(raw_class, MKDEV(RAW_MAJOR, rq->raw_minor));
-	class_device_create(raw_class, NULL, MKDEV(RAW_MAJOR, rq->raw_minor),
-				      NULL, "raw%d", rq->raw_minor);
+	device_destroy(raw_class, MKDEV(RAW_MAJOR, rq->raw_minor));
+	device_create_drvdata(raw_class, NULL, MKDEV(RAW_MAJOR, rq->raw_minor),
+			      NULL, "raw%d", rq->raw_minor);
 }
 
 /*
@@ -154,7 +157,7 @@ static int raw_ctl_ioctl(struct inode *inode, struct file *filp,
 			goto out;
 		}
 
-		if (rq.raw_minor < 0 || rq.raw_minor >= MAX_RAW_MINORS) {
+		if (rq.raw_minor <= 0 || rq.raw_minor >= MAX_RAW_MINORS) {
 			err = -EINVAL;
 			goto out;
 		}
@@ -200,7 +203,7 @@ static int raw_ctl_ioctl(struct inode *inode, struct file *filp,
 			if (rq.block_major == 0 && rq.block_minor == 0) {
 				/* unbind */
 				rawdev->binding = NULL;
-				class_device_destroy(raw_class,
+				device_destroy(raw_class,
 						MKDEV(RAW_MAJOR, rq.raw_minor));
 			} else {
 				rawdev->binding = bdget(dev);
@@ -255,10 +258,7 @@ static const struct file_operations raw_ctl_fops = {
 	.owner	=	THIS_MODULE,
 };
 
-static struct cdev raw_cdev = {
-	.kobj	=	{.name = "raw", },
-	.owner	=	THIS_MODULE,
-};
+static struct cdev raw_cdev;
 
 static int __init raw_init(void)
 {
@@ -283,7 +283,8 @@ static int __init raw_init(void)
 		ret = PTR_ERR(raw_class);
 		goto error_region;
 	}
-	class_device_create(raw_class, NULL, MKDEV(RAW_MAJOR, 0), NULL, "rawctl");
+	device_create_drvdata(raw_class, NULL, MKDEV(RAW_MAJOR, 0), NULL,
+			      "rawctl");
 
 	return 0;
 
@@ -295,7 +296,7 @@ error:
 
 static void __exit raw_exit(void)
 {
-	class_device_destroy(raw_class, MKDEV(RAW_MAJOR, 0));
+	device_destroy(raw_class, MKDEV(RAW_MAJOR, 0));
 	class_destroy(raw_class);
 	cdev_del(&raw_cdev);
 	unregister_chrdev_region(MKDEV(RAW_MAJOR, 0), MAX_RAW_MINORS);