[PATCH] ucom - destroy device node on detach

看板DFBSD_submit作者qhwt.時間15年前 (2010/10/07 10:32)推噓0(0推 0噓 0→)

留言0則, 0人參與討論串1/3 (看更多)

Issuing `ls /dev' after unloading the driver triggered a panic because of the stale device node. --- sys/dev/usbmisc/ucom/ucom.c | 3 ++- 1 files changed, 2 insertions(+), 1 deletions(-) diff --git a/sys/dev/usbmisc/ucom/ucom.c b/sys/dev/usbmisc/ucom/ucom.c index f85c3b7..a0a7260 100644 --- a/sys/dev/usbmisc/ucom/ucom.c +++ b/sys/dev/usbmisc/ucom/ucom.c @@ -177,7 +177,7 @@ ucom_attach(struct ucom_softc *sc) DPRINTF(("ucom_attach: make_dev: ucom%d\n", unit)); - dev = make_dev(&ucom_ops, unit | UCOM_CALLOUT_MASK, + sc->dev = dev = make_dev(&ucom_ops, unit | UCOM_CALLOUT_MASK, UID_UUCP, GID_DIALER, 0660, "ucom%d", unit); dev->si_tty = tp; @@ -194,6 +194,7 @@ ucom_detach(struct ucom_softc *sc) DPRINTF(("ucom_detach: sc = %p, tp = %p\n", sc, sc->sc_tty)); + destroy_dev(sc->dev); lwkt_gettoken(&tty_token); sc->sc_dying = 1; -- 1.7.0.5

‣ 返回看板[ DFBSD_submit ] DBSD

‣ 更多 qhwt. 的文章

文章代碼(AID): #1ChJ4ddS (DFBSD_submit)