diff options
| -rw-r--r-- | scull/main.c | 8 | ||||
| -rw-r--r-- | scull/scull.h | 3 |
2 files changed, 5 insertions, 6 deletions
diff --git a/scull/main.c b/scull/main.c index ab3feb3..1bf14a7 100644 --- a/scull/main.c +++ b/scull/main.c @@ -389,8 +389,8 @@ ssize_t scull_write(struct file *filp, const char __user *buf, size_t count, * The ioctl() implementation */ -int scull_ioctl(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg) +int scull_ioctl(struct file *filp, unsigned int cmd, + unsigned long arg) { int err = 0, tmp; @@ -552,7 +552,7 @@ struct file_operations scull_fops = { .llseek = scull_llseek, .read = scull_read, .write = scull_write, - .ioctl = scull_ioctl, + .unlocked_ioctl = scull_ioctl, .open = scull_open, .release = scull_release, }; @@ -648,7 +648,7 @@ int scull_init_module(void) for (i = 0; i < scull_nr_devs; i++) { scull_devices[i].quantum = scull_quantum; scull_devices[i].qset = scull_qset; - init_MUTEX(&scull_devices[i].sem); + sema_init(&scull_devices[i].sem, 1); scull_setup_cdev(&scull_devices[i], i); } diff --git a/scull/scull.h b/scull/scull.h index ac7362a..5b513e4 100644 --- a/scull/scull.h +++ b/scull/scull.h @@ -128,8 +128,7 @@ ssize_t scull_read(struct file *filp, char __user *buf, size_t count, ssize_t scull_write(struct file *filp, const char __user *buf, size_t count, loff_t *f_pos); loff_t scull_llseek(struct file *filp, loff_t off, int whence); -int scull_ioctl(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); +int scull_ioctl(struct file *filp, unsigned int cmd, unsigned long arg); /* |