Re: Insmod gives unsresolved symbol

[Amit Kulkarni]

these functions are defined in /net/mpls.h as extern
variables. 
I don't think there is a mpls_init.h
I have included mpls.h and hence it compiles w/o error
but only at the time of linking  it gives this error

--- Tyler BIRD <[e-mail]> wrote:
> Well you still much include the header file for the
> link
> whatever it might be.  #include
> <include/mpls_init.h>
> for example.  Only some functions such as printk
> don't need such headers.
> 
> Tyler
> 
> 
> >>> Amit Kulkarni <[e-mail]> 11/06/01
> 01:17AM >>>
> Hi 
> 
> I am trying to write a device driver which calls
> certain functions/variables from the kernel 
> (e.g. ipv4_explicit_null from
> /usr/src/linux/net/mpls/mpls_init.c )
> 
> But when I try to insert the module using insmod it
> gives me an error saying unresolved symbol
> ipv4_explicit_null
> 
> thinking the kernel did not export the said symbol 
> I
> added EXPORT_SYMBOL(ipv4_explicit_null) in the file
> mpls_init.c 
> Now I can see the symbol in System.map
> but my problem still persists. 
> 
> Am I exporting symbols properly or is there anything
> else that needs to be done .
> 
> please advise 
> thanks in anticipation,
> amit
> 
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