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ip*_mc_gsfget(): lift copyout of struct group_filter into callers

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pass the userland pointer to the array in its tail, so that part
gets copied out by our functions; copyout of everything else is
done in the callers.  Rationale: reuse for compat; the array
is the same in native and compat, the layout of parts before it
is different for compat.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2020-03-29 17:18:30 -04:00
commit 931ca7ab7f
6 changed files with 38 additions and 31 deletions
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