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net: Remove unneeded NULL check for the allocated ifnet
f500e5c6c99b
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net: Remove unneeded NULL check for the allocated ifnet

Change 4787572d0580 made if_alloc_domain() never fail, then also do the
wrappers if_alloc(), if_alloc_dev(), and if_gethandle().

No functional change intended.

Reviewed by: kp, imp, glebius, stevek
MFC after: 2 weeks
Differential Revision: https://reviews.freebsd.org/D45740

MFC note: This is only a partial MFC, as some drivers do not exist in
stable/13 branch. The if_epair(4) drifts too much from stable/14 so not
included in this MFC.

net: Remove unneeded NULL check for the allocated ifnetf500e5c6c99bActions

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rGf500e5c6c99b

sys/arm/allwinner/if_emac.c

sys/arm/ti/cpsw/if_cpsw.c

sys/dev/ae/if_ae.c

sys/dev/age/if_age.c

sys/dev/alc/if_alc.c

sys/dev/ale/if_ale.c

sys/dev/altera/atse/if_atse.c

sys/dev/axgbe/if_axgbe.c

sys/dev/bce/if_bce.c

sys/dev/bfe/if_bfe.c

sys/dev/bge/if_bge.c

sys/dev/bxe/bxe.c

sys/dev/cadence/if_cgem.c

sys/dev/cas/if_cas.c

sys/dev/cxgb/cxgb_main.c

sys/dev/cxgbe/t4_main.c

sys/dev/cxgbe/t4_tracer.c

sys/dev/dc/if_dc.c

sys/dev/dpaa/if_dtsec.c

sys/dev/dpaa2/dpaa2_ni.c

sys/dev/ena/ena.c

sys/dev/et/if_et.c

sys/dev/etherswitch/arswitch/arswitch.c

sys/dev/etherswitch/e6000sw/e6000sw.c

sys/dev/etherswitch/e6000sw/e6060sw.c

sys/dev/etherswitch/infineon/adm6996fc.c

sys/dev/etherswitch/ip17x/ip17x.c

sys/dev/etherswitch/micrel/ksz8995ma.c

sys/dev/etherswitch/mtkswitch/mtkswitch.c

sys/dev/etherswitch/rtl8366/rtl8366rb.c

sys/dev/etherswitch/ukswitch/ukswitch.c

sys/dev/firewire/if_fwe.c

sys/dev/firewire/if_fwip.c

sys/dev/fxp/if_fxp.c

sys/dev/gem/if_gem.c

sys/dev/gve/gve_main.c

sys/dev/iicbus/if_ic.c

sys/dev/jme/if_jme.c

sys/dev/le/lance.c

sys/dev/lge/if_lge.c

sys/dev/liquidio/lio_main.c

sys/dev/mge/if_mge.c

sys/dev/mlx4/mlx4_en/mlx4_en_netdev.c

sys/dev/mlx5/mlx5_en/mlx5_en_main.c

sys/dev/msk/if_msk.c

sys/dev/mxge/if_mxge.c

sys/dev/my/if_my.c

sys/dev/neta/if_mvneta.c

sys/dev/netmap/if_ptnet.c

sys/dev/netmap/netmap_freebsd.c

sys/dev/nfe/if_nfe.c

sys/dev/nge/if_nge.c

sys/dev/ntb/if_ntb/if_ntb.c

sys/dev/oce/oce_if.c

sys/dev/ppbus/if_plip.c

sys/dev/qlnx/qlnxe/qlnx_os.c

sys/dev/qlxgb/qla_os.c

sys/dev/qlxgbe/ql_os.c

sys/dev/qlxge/qls_os.c

sys/dev/re/if_re.c

sys/dev/rl/if_rl.c

sys/dev/sbni/if_sbni.c

sys/dev/sbni/if_sbni_isa.c

sys/dev/sbni/if_sbni_pci.c

sys/dev/sbni/if_sbnivar.h

sys/dev/sfxge/sfxge.c

sys/dev/sge/if_sge.c

sys/dev/sis/if_sis.c

sys/dev/sk/if_sk.c

sys/dev/smc/if_smc.c

sys/dev/ste/if_ste.c

sys/dev/stge/if_stge.c

sys/dev/sume/if_sume.c

net: Remove unneeded NULL check for the allocated ifnet
f500e5c6c99b
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