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SubjectStrange piece of code
Hi, I was having a tour in the kernel sources and I found some codes
that I can't understand why. Like this in ppp:

ppp_init (struct device *dev)
static int first_time = 1; <== define to 1
int answer = 0;

if (first_time) { <== check if is 1, why ? any special special reason?
first_time = 0;
answer = ppp_first_time();
if (answer == 0)
(void) register_symtab (&ppp_syms);
if (answer == 0)
answer = -ENODEV;
return answer;

I found many more codes like this in the source, I cant remeber where anymore.


"If you only have a hammer, everything looks like a nail..."

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