Commit ef862511 authored by Al Viro's avatar Al Viro
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change_mnt_propagation(): do_make_slave() is a no-op unless IS_MNT_SHARED() 



... since mnt->mnt_share and mnt->mnt_slave_list are guaranteed to be empty unless
IS_MNT_SHARED(mnt).

Signed-off-by: default avatarAl Viro <viro@zeniv.linux.org.uk>
parent d5f15047
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