[Bug 217747] sys/dev/mly/mly.c: PVS-Studio: NULL Pointer Dereference (CWE-476) (1)

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=217747

--- Comment #1 from John Baldwin <jhb at FreeBSD.org> ---
Created attachment 185158
  --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=185158&action=edit
mly.patch

I would probably either move the check of mc_data into the 'if (mc != NULL)'
block, or do the approach above where we just return immediately if we fail to
get a command and then 'mc' is never NULL when 'out' is jumped to.

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