git: f7097359c866 - main - mgue: eliminate write only variables ret, err and error
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Date: Tue, 05 Apr 2022 04:32:54 UTC
The branch main has been updated by imp: URL: https://cgit.FreeBSD.org/src/commit/?id=f7097359c8660351ca162eef19db7eae28cfb327 commit f7097359c8660351ca162eef19db7eae28cfb327 Author: Warner Losh <imp@FreeBSD.org> AuthorDate: 2022-04-05 02:31:06 +0000 Commit: Warner Losh <imp@FreeBSD.org> CommitDate: 2022-04-05 04:30:38 +0000 mgue: eliminate write only variables ret, err and error Sponsored by: Netflix --- sys/dev/usb/net/if_muge.c | 22 +++++++++------------- 1 file changed, 9 insertions(+), 13 deletions(-) diff --git a/sys/dev/usb/net/if_muge.c b/sys/dev/usb/net/if_muge.c index cf2420875e72..e7e21112ece6 100644 --- a/sys/dev/usb/net/if_muge.c +++ b/sys/dev/usb/net/if_muge.c @@ -614,30 +614,29 @@ done: static int lan78xx_set_rx_max_frame_length(struct muge_softc *sc, int size) { - int err = 0; uint32_t buf; bool rxenabled; /* First we have to disable rx before changing the length. */ - err = lan78xx_read_reg(sc, ETH_MAC_RX, &buf); + lan78xx_read_reg(sc, ETH_MAC_RX, &buf); rxenabled = ((buf & ETH_MAC_RX_EN_) != 0); if (rxenabled) { buf &= ~ETH_MAC_RX_EN_; - err = lan78xx_write_reg(sc, ETH_MAC_RX, buf); + lan78xx_write_reg(sc, ETH_MAC_RX, buf); } /* Setting max frame length. */ buf &= ~ETH_MAC_RX_MAX_FR_SIZE_MASK_; buf |= (((size + 4) << ETH_MAC_RX_MAX_FR_SIZE_SHIFT_) & ETH_MAC_RX_MAX_FR_SIZE_MASK_); - err = lan78xx_write_reg(sc, ETH_MAC_RX, buf); + lan78xx_write_reg(sc, ETH_MAC_RX, buf); /* If it were enabled before, we enable it back. */ if (rxenabled) { buf |= ETH_MAC_RX_EN_; - err = lan78xx_write_reg(sc, ETH_MAC_RX, buf); + lan78xx_write_reg(sc, ETH_MAC_RX, buf); } return (0); @@ -1265,8 +1264,6 @@ muge_bulk_read_callback(struct usb_xfer *xfer, usb_error_t error) */ if ((ifp->if_capenable & IFCAP_RXCSUM) && !(rx_cmd_a & RX_CMD_A_ICSM_)) { - struct ether_header *eh; - eh = mtod(m, struct ether_header *); /* * Remove the extra 2 bytes of the csum * @@ -1596,7 +1593,6 @@ muge_attach_post_sub(struct usb_ether *ue) { struct muge_softc *sc; struct ifnet *ifp; - int error; sc = uether_getsc(ue); muge_dbg_printf(sc, "Calling muge_attach_post_sub.\n"); @@ -1639,7 +1635,7 @@ muge_attach_post_sub(struct usb_ether *ue) ifp->if_capenable = ifp->if_capabilities; bus_topo_lock(); - error = mii_attach(ue->ue_dev, &ue->ue_miibus, ifp, uether_ifmedia_upd, + mii_attach(ue->ue_dev, &ue->ue_miibus, ifp, uether_ifmedia_upd, ue->ue_methods->ue_mii_sts, BMSR_DEFCAPMASK, sc->sc_phyno, MII_OFFSET_ANY, 0); bus_topo_unlock(); @@ -1827,16 +1823,16 @@ done: static void muge_multicast_write(struct muge_softc *sc) { - int i, ret; + int i; lan78xx_dataport_write(sc, ETH_DP_SEL_RSEL_VLAN_DA_, ETH_DP_SEL_VHF_VLAN_LEN, ETH_DP_SEL_VHF_HASH_LEN, sc->sc_mchash_table); for (i = 1; i < MUGE_NUM_PFILTER_ADDRS_; i++) { - ret = lan78xx_write_reg(sc, PFILTER_HI(i), 0); - ret = lan78xx_write_reg(sc, PFILTER_LO(i), + lan78xx_write_reg(sc, PFILTER_HI(i), 0); + lan78xx_write_reg(sc, PFILTER_LO(i), sc->sc_pfilter_table[i][1]); - ret = lan78xx_write_reg(sc, PFILTER_HI(i), + lan78xx_write_reg(sc, PFILTER_HI(i), sc->sc_pfilter_table[i][0]); } }