Quoting Jan Engelhardt ([EMAIL PROTECTED]):
> Hello list,
> 
> 
> in security/inode.c, the comment for securityfs_create_dir() reads:
> 
>       If securityfs is not enabled in the kernel, the value -ENODEV 
>       will be returned.  It is not wise to check for this value, but 
>       rather, check for NULL or !NULL instead as to eliminate the need 
>       for #ifdef in the calling code.
> 
> What is the actual callee that can return NULL - and what should 
> module_init() of a module return when securityfs_create_dir() returns 
> NULL?

Hmm, this came from GregKH.  It does seem based on the code that
checking for -ENODEV is necessary, so I don't understand the comment.

thanks,
-serge
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