Re: KernelNewbies Wikki

[Tyler <tyler@xxxxxxxx>]

Sanjay Kumar, Noida a écrit :
> Hi,
> In the module registration function (loading) of the HelloDriverSource
> http://wiki.kernelnewbies.org/wiki/HelloDriverSource
> if the kmalloc fails for hello_msg, why do we need to release 
> the semaphore.This is the code snippet:
> 	if (!hello_msg){
> 		up(&hello_sem);
> 		return -ENOMEM;
> 	}
> Till this point, the semaphore has not even been initialized.
> Am I missing something.

Hi,
you're right : the up(&hello_sem) has nothong to do here.
Thanks.


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