X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=drivers%2Fchar%2Fraw.c;h=1f0d7c60c94420fb98fd23791bc38ba1b8266b37;hb=f8abea8f8c24ecdad6d6861bffb912f23f2741cd;hp=c596a08c07b3591da8025955a236fd8fb908303b;hpb=1c7da74c4aab595a994beb5fe728ebf0d0b41f59;p=linux-2.6 diff --git a/drivers/char/raw.c b/drivers/char/raw.c index c596a08c07..1f0d7c60c9 100644 --- a/drivers/char/raw.c +++ b/drivers/char/raw.c @@ -75,7 +75,7 @@ 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); @@ -127,9 +127,9 @@ 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(raw_class, NULL, MKDEV(RAW_MAJOR, rq->raw_minor), + "raw%d", rq->raw_minor); } /* @@ -154,7 +154,7 @@ 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 +200,7 @@ 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); @@ -238,39 +238,14 @@ out: return err; } -static ssize_t raw_file_write(struct file *file, const char __user *buf, - size_t count, loff_t *ppos) -{ - struct iovec local_iov = { - .iov_base = (char __user *)buf, - .iov_len = count - }; - - return generic_file_write_nolock(file, &local_iov, 1, ppos); -} - -static ssize_t raw_file_aio_write(struct kiocb *iocb, const char __user *buf, - size_t count, loff_t pos) -{ - struct iovec local_iov = { - .iov_base = (char __user *)buf, - .iov_len = count - }; - - return generic_file_aio_write_nolock(iocb, &local_iov, 1, &iocb->ki_pos); -} - - static const struct file_operations raw_fops = { - .read = generic_file_read, + .read = do_sync_read, .aio_read = generic_file_aio_read, - .write = raw_file_write, - .aio_write = raw_file_aio_write, + .write = do_sync_write, + .aio_write = generic_file_aio_write_nolock, .open = raw_open, .release= raw_release, .ioctl = raw_ioctl, - .readv = generic_file_readv, - .writev = generic_file_writev, .owner = THIS_MODULE, }; @@ -308,7 +283,7 @@ 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(raw_class, NULL, MKDEV(RAW_MAJOR, 0), "rawctl"); return 0; @@ -320,7 +295,7 @@ 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);