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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