diff options
Diffstat (limited to 'drivers/char/raw.c')
| -rw-r--r-- | drivers/char/raw.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/drivers/char/raw.c b/drivers/char/raw.c index bbfa0e241cb..47b8cf281d4 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); /* @@ -79,6 +81,7 @@ static int raw_open(struct inode *inode, struct file *filp) bdev->bd_inode->i_mapping; filp->private_data = bdev; mutex_unlock(&raw_mutex); + unlock_kernel(); return 0; out2: @@ -128,8 +131,8 @@ raw_ioctl(struct inode *inode, struct file *filp, static void bind_device(struct raw_config_request *rq) { 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); + device_create_drvdata(raw_class, NULL, MKDEV(RAW_MAJOR, rq->raw_minor), + NULL, "raw%d", rq->raw_minor); } /* @@ -280,7 +283,8 @@ static int __init raw_init(void) ret = PTR_ERR(raw_class); goto error_region; } - device_create(raw_class, NULL, MKDEV(RAW_MAJOR, 0), "rawctl"); + device_create_drvdata(raw_class, NULL, MKDEV(RAW_MAJOR, 0), NULL, + "rawctl"); return 0; |