powerpc/modules: Use WARN_ON() in stub_for_addr()

[Michael Ellerman]

On Tue, 2017-10-10 at 14:47:32 UTC, Kamalesh Babulal wrote:
> Use WARN_ON(), while running out of stubs in stub_for_addr()
> and abort loading of the module instead of BUG_ON().
> 
> Signed-off-by: Kamalesh Babulal <kamalesh at linux.vnet.ibm.com>

Applied to powerpc next, thanks.

https://git.kernel.org/powerpc/c/1c0437af9fca8de6e4ba179d18cf13

cheers