Date: Mon, 01 Jun 2020 10:58:26 +0000 From: bugzilla-noreply@freebsd.org To: bugs@FreeBSD.org Subject: [Bug 204521] [new driver] [request] Port rtsx from OpenBSD to FreeBSD Message-ID: <bug-204521-227-4bVl5ZwB16@https.bugs.freebsd.org/bugzilla/> In-Reply-To: <bug-204521-227@https.bugs.freebsd.org/bugzilla/> References: <bug-204521-227@https.bugs.freebsd.org/bugzilla/>
next in thread | previous in thread | raw e-mail | index | archive | help
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D204521 --- Comment #156 from hlh@restart.be --- (In reply to Gary Jennejohn from comment #155) In this case: if (device_delete_child(sc->rtsx_dev, sc->rtsx_mmc_dev)) device_printf(sc->rtsx_dev, "Detaching MMC bus failed\n"); sc->rtsx_mmc_dev =3D NULL; RTSX_UNLOCK(sc); The LOCK try to postpone a new occurrence of rtsx_card_task() to reconnect a card. In this case: RTSX_UNLOCK(sc); if (device_delete_child(sc->rtsx_dev, sc->rtsx_mmc_dev)) device_printf(sc->rtsx_dev, "Detaching MMC bus failed\n"); sc->rtsx_mmc_dev =3D NULL; A new occurrence of rtsx_card_task() may reconnect a card and then rtsx_mmc_dev is replace by NULL. And so even if it is bracketed by LOCL/UNL= OCK. --=20 You are receiving this mail because: You are the assignee for the bug.=
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?bug-204521-227-4bVl5ZwB16>