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Linux programming: kmalloc issues
Steel Angel
Registered User regular
Registered User regular
Anyone here familiar with kernel programming? Having an issue where kmalloc seems to be unable to allocate memory. Here's the relevant code:
The error condition triggers every time. Removing it results in a segmentation fault, so it seems to be accurate. Anything wrong with how I'm allocating memory? I find it hard to believe that I'd have no memory available to give to an array of three characters (my test case).
if (array != NULL ) {
kfree (array);
}
array = kmalloc (size * sizeof(char), GFP_KERNEL);
if ( KS421 == NULL ) {
printk ("Error: kmalloc failed to give memory\n");
return -ENOMEM;
}
The error condition triggers every time. Removing it results in a segmentation fault, so it seems to be accurate. Anything wrong with how I'm allocating memory? I find it hard to believe that I'd have no memory available to give to an array of three characters (my test case).
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