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add return values

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twoneis 2025-03-25 20:21:38 +01:00
parent bbcc1f9dd7
commit 52b7aaadce
1 changed files with 3 additions and 0 deletions
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3
code/lkm.c
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@ -44,18 +44,21 @@ int
lkm_open(struct inode *inode, struct file *fp) lkm_open(struct inode *inode, struct file *fp)
{ {
printk(KERN_INFO "lkm: open: start"); printk(KERN_INFO "lkm: open: start");
return 0;
} }
int int
lkm_release(struct inode *inode, struct file *fp) lkm_release(struct inode *inode, struct file *fp)
{ {
printk(KERN_INFO "lkm: release: start"); printk(KERN_INFO "lkm: release: start");
return 0;
} }
long long
lkm_ioctl(struct file *fp, unsigned num, long unsigned int param) lkm_ioctl(struct file *fp, unsigned num, long unsigned int param)
{ {
printk(KERN_INFO "lkm: release: start"); printk(KERN_INFO "lkm: release: start");
return 0;
} }
MODULE_AUTHOR("Mira Chacku Purakal"); MODULE_AUTHOR("Mira Chacku Purakal");