On Sat, Oct 14 2000, David S. Miller wrote:
> Date: Fri, 13 Oct 2000 20:37:46 -0700 (PDT)
> From: Linus Torvalds <torvalds@transmeta.com>
>
> Why would it crash the sparc?
>
> If it wasn't there originally, the loop will not find it, and the
> loop will be a no-op.
>
> The loop would be a no-op but the remove_proc_entry call would not.
> Perhaps you didn't notice that there too? It's pretty close to the
> loop :-)
>
> tpnt->proc_name in this case is NULL, that is fed to the procfs
> unregister code (and next to strncmp), leading to an OOPS on non-x86
> during bootup with scsi adapter drivers not in the machine compiled
> statically into the kernel.
>
David, why is tpnt->proc_name NULL on sparc for devices not existing?
Every driver has this as part of their tpnt struct, so it doesn't
matter if the underlying device really exists.
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