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Flush kernel messages immediately #11

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Merged
merged 2 commits into from
Jun 3, 2023
Merged

Flush kernel messages immediately #11

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a77cbf4
A few minor changes
Jun 3, 2023
855d228
Flush kernel messages immediately
Jun 3, 2023
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8 changes: 4 additions & 4 deletions fibdrv.c
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Original file line number Diff line number Diff line change
Expand Up @@ -42,7 +42,7 @@ static long long fib_sequence(long long k)
static int fib_open(struct inode *inode, struct file *file)
{
if (!mutex_trylock(&fib_mutex)) {
printk(KERN_ALERT "fibdrv is in use");
printk(KERN_ALERT "fibdrv is in use\n");
return -EBUSY;
}
return 0;
Expand Down Expand Up @@ -113,7 +113,7 @@ static int __init init_fib_dev(void)
// This will dynamically allocate the major number
rc = major = register_chrdev(major, DEV_FIBONACCI_NAME, &fib_fops);
if (rc < 0) {
printk(KERN_ALERT "Failed to add cdev");
printk(KERN_ALERT "Failed to add cdev\n");
rc = -2;
goto failed_cdev;
}
Expand All @@ -122,13 +122,13 @@ static int __init init_fib_dev(void)
fib_class = class_create(THIS_MODULE, DEV_FIBONACCI_NAME);

if (!fib_class) {
printk(KERN_ALERT "Failed to create device class");
printk(KERN_ALERT "Failed to create device class\n");
rc = -3;
goto failed_class_create;
}

if (!device_create(fib_class, NULL, fib_dev, NULL, DEV_FIBONACCI_NAME)) {
printk(KERN_ALERT "Failed to create device");
printk(KERN_ALERT "Failed to create device\n");
rc = -4;
goto failed_device_create;
}
Expand Down