diff options
| author | hselasky <hselasky@ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f> | 2020-12-19 11:00:11 +0000 |
|---|---|---|
| committer | hselasky <hselasky@ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f> | 2020-12-19 11:00:11 +0000 |
| commit | 9104272da2d5306338cf2d294b2f6056a83b9be5 (patch) | |
| tree | 72cf972f3ab5f2b71925b227450712422c3cbc0a | |
| parent | 18f3250f121753eca716747a83c6abd3aadf7a88 (diff) | |
| download | freebsd-9104272da2d5306338cf2d294b2f6056a83b9be5.tar.gz freebsd-9104272da2d5306338cf2d294b2f6056a83b9be5.tar.bz2 | |
Move SYSCTL_ADD_PROC() to unlocked context in if_ure to avoid lock order reversal.
MFC after: 1 week
Reported by: Mark Millard <marklmi@yahoo.com>
Sponsored by: Mellanox Technologies // NVIDIA Networking
git-svn-id: http://svn.freebsd.org/base/head@368799 ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f
| -rw-r--r-- | sys/dev/usb/net/if_ure.c | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/sys/dev/usb/net/if_ure.c b/sys/dev/usb/net/if_ure.c index 798c8b1aa09..d552f2c69f5 100644 --- a/sys/dev/usb/net/if_ure.c +++ b/sys/dev/usb/net/if_ure.c @@ -959,8 +959,6 @@ static void ure_attach_post(struct usb_ether *ue) { struct ure_softc *sc = uether_getsc(ue); - struct sysctl_ctx_list *sctx; - struct sysctl_oid *soid; sc->sc_rxstarted = 0; sc->sc_phyno = 0; @@ -988,18 +986,13 @@ ure_attach_post(struct usb_ether *ue) sc->sc_ue.ue_eaddr[0] &= ~0x01; /* unicast */ sc->sc_ue.ue_eaddr[0] |= 0x02; /* locally administered */ } - - sctx = device_get_sysctl_ctx(sc->sc_ue.ue_dev); - soid = device_get_sysctl_tree(sc->sc_ue.ue_dev); - SYSCTL_ADD_PROC(sctx, SYSCTL_CHILDREN(soid), OID_AUTO, "chipver", - CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_MPSAFE, sc, 0, - ure_sysctl_chipver, "A", - "Return string with chip version."); } static int ure_attach_post_sub(struct usb_ether *ue) { + struct sysctl_ctx_list *sctx; + struct sysctl_oid *soid; struct ure_softc *sc; struct ifnet *ifp; int error; @@ -1033,6 +1026,13 @@ ure_attach_post_sub(struct usb_ether *ue) BMSR_DEFCAPMASK, sc->sc_phyno, MII_OFFSET_ANY, 0); mtx_unlock(&Giant); + sctx = device_get_sysctl_ctx(sc->sc_ue.ue_dev); + soid = device_get_sysctl_tree(sc->sc_ue.ue_dev); + SYSCTL_ADD_PROC(sctx, SYSCTL_CHILDREN(soid), OID_AUTO, "chipver", + CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_MPSAFE, sc, 0, + ure_sysctl_chipver, "A", + "Return string with chip version."); + return (error); } |