Symbol: sof_filter_shutdown
usr/src/uts/common/fs/sockfs/sockcommon_sops.c
593
(error = sof_filter_shutdown(so, &how, cr)) < 0)
usr/src/uts/common/fs/sockfs/sockfilter_impl.h
192
extern int sof_filter_shutdown(struct sonode *, int *, cred_t *);