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| author | marius <marius@FreeBSD.org> | 2010-11-15 21:41:45 +0000 |
|---|---|---|
| committer | marius <marius@FreeBSD.org> | 2010-11-15 21:41:45 +0000 |
| commit | 439476354934ee88c4991c97185d5164cf2b4678 (patch) | |
| tree | 1ffae389e2f01a18f387e514c1821a6fac4f8a17 /sys/dev/mii/mii.c | |
| parent | 148263e158fc89f1572b4eedd787d777e50f6d3e (diff) | |
| download | FreeBSD-src-439476354934ee88c4991c97185d5164cf2b4678.zip FreeBSD-src-439476354934ee88c4991c97185d5164cf2b4678.tar.gz | |
Return from mii_attach() after calling bus_generic_attach(9) on the device_t
of the MAC driver in order to attach miibus(4) on the first pass instead of
falling through to also calling it on the device_t of miibus(4). The latter
code flow was intended to attach the PHY drivers the same way regardless of
whether it's the first or a repeated pass, modulo the bus_generic_attach()
call in miibus_attach() which shouldn't be there. However, it turned out
that these variants cause miibus(4) to be attached twice under certain
conditions when using MAC drivers as modules.
Submitted by: yongari
MFC after: 3 days
Diffstat (limited to 'sys/dev/mii/mii.c')
| -rw-r--r-- | sys/dev/mii/mii.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/sys/dev/mii/mii.c b/sys/dev/mii/mii.c index 79378f5..3df5dfa 100644 --- a/sys/dev/mii/mii.c +++ b/sys/dev/mii/mii.c @@ -438,6 +438,9 @@ mii_attach(device_t dev, device_t *miibus, struct ifnet *ifp, rv = bus_generic_attach(dev); if (rv != 0) goto fail; + + /* Attaching of the PHY drivers is done in miibus_attach(). */ + return (0); } rv = bus_generic_attach(*miibus); if (rv != 0) |
