Messages in this thread | | | Date | Mon, 11 Nov 2002 23:02:46 +0100 | From | Tomas Szepe <> | Subject | Re: how to export a symbol so that I can use it in a module |
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> I've added a function "create_tcp_port_number" to net/core/utils.c > like this: > > int create_tcp_port_number(void) > { > /* blah blah */ > } > EXPORT_SYMBOL(create_tcp_port_number); > > in include/linux/net.h I added: > extern int create_tcp_port_number(void); > > So, now in net/ipv6/tcp_ipv6.c I used this 'create_tcp_port_number' > function. I'm compiling the kernel with ipv6 as a module. And that's > where I get the problem. In the last stage, the makefile does a > depmod and then I get: > depmod: *** Unresolved symbols in /lib/modules/2.4.19/kernel/net/ipv6/ipv6.o > depmod: create_tcp_port_number > > I'm really out of ideas what can be the cause of this. It must be > something trivial, but I cannot find the solution. Anyone who can > help me?
Make sure you're including <linux/module.h> into utils.c and that utils.o is among export-objs in the makefile.
-- Tomas Szepe <szepe@pinerecords.com> - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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