git: c972f2c065bd - main - xl_attach: eliminate write only variable unit

[Warner Losh]

The branch main has been updated by imp:

URL: 
https://cgit.FreeBSD.org/src/commit/?id=c972f2c065bdb7031e7935aac406365e4810df19

commit c972f2c065bdb7031e7935aac406365e4810df19
Author:     Warner Losh <i...@freebsd.org>
AuthorDate: 2022-04-05 02:33:25 +0000
Commit:     Warner Losh <i...@freebsd.org>
CommitDate: 2022-04-05 04:30:45 +0000

    xl_attach: eliminate write only variable unit
    
    Sponsored by:           Netflix
---
 sys/dev/xl/if_xl.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/sys/dev/xl/if_xl.c b/sys/dev/xl/if_xl.c
index ca6184758815..ae4d9fb8f5ff 100644
--- a/sys/dev/xl/if_xl.c
+++ b/sys/dev/xl/if_xl.c
@@ -1069,14 +1069,12 @@ xl_attach(device_t dev)
        struct xl_softc         *sc;
        struct ifnet            *ifp;
        int                     media, pmcap;
-       int                     error = 0, phy, rid, res, unit;
+       int                     error = 0, phy, rid, res;
        uint16_t                did;
 
        sc = device_get_softc(dev);
        sc->xl_dev = dev;
 
-       unit = device_get_unit(dev);
-
        mtx_init(&sc->xl_mtx, device_get_nameunit(dev), MTX_NETWORK_LOCK,
            MTX_DEF);
        ifmedia_init(&sc->ifmedia, 0, xl_ifmedia_upd, xl_ifmedia_sts);