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Remove unnecessary enum assignments

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Integral 2024-11-11 18:51:47 +08:00
parent f3405fecd9
commit 980d8f3b30
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3 changed files with 6 additions and 6 deletions
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4
examples/chardev.c
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@ -34,8 +34,8 @@ static ssize_t device_write(struct file *, const char __user *, size_t,
static int major; /* major number assigned to our device driver */ static int major; /* major number assigned to our device driver */
enum { enum {
CDEV_NOT_USED = 0, CDEV_NOT_USED,
CDEV_EXCLUSIVE_OPEN = 1, CDEV_EXCLUSIVE_OPEN,
}; };
/* Is device open? Used to prevent multiple access to device */ /* Is device open? Used to prevent multiple access to device */

4
examples/chardev2.c
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@ -22,8 +22,8 @@
#define BUF_LEN 80 #define BUF_LEN 80
enum { enum {
CDEV_NOT_USED = 0, CDEV_NOT_USED,
CDEV_EXCLUSIVE_OPEN = 1, CDEV_EXCLUSIVE_OPEN,
}; };
/* Is the device open right now? Used to prevent concurrent access into /* Is the device open right now? Used to prevent concurrent access into

4
examples/static_key.c
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@ -29,8 +29,8 @@ static ssize_t device_write(struct file *file, const char __user *buf,
static int major; static int major;
enum { enum {
CDEV_NOT_USED = 0, CDEV_NOT_USED,
CDEV_EXCLUSIVE_OPEN = 1, CDEV_EXCLUSIVE_OPEN,
}; };
static atomic_t already_open = ATOMIC_INIT(CDEV_NOT_USED); static atomic_t already_open = ATOMIC_INIT(CDEV_NOT_USED);