From nobody Thu Mar 27 20:48:40 2025 X-Original-To: dev-commits-src-all@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4ZNwjj0CHJz5rtF4; Thu, 27 Mar 2025 20:48:41 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "R10" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4ZNwjh5Rbhz3cwm; Thu, 27 Mar 2025 20:48:40 +0000 (UTC) (envelope-from git@FreeBSD.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1743108520; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=TwyvyT4AzFCKRnTel29CflP9/ZrTkRq/1bFLS+9akpo=; b=J1/OT0xsRJwrIN5BMAuSj+JQxRRg7TtaaeyxqUujhFOoX+JqN+7CRSyHAIppZvMFAVljfK IekEOWonUbh3JogDZemdoRE+yElPsTb46rMDJxJC+lEwLQwm+XQuu7aqxhdzngmms5+ceV 3MEwWVOMV0esTKP1BAIwbuJKeHRkMInCXazEsAuMwbQSCEBeMCZGcEDBo5vMmqgCn9KWcM Z1nDyGYKdQuuPNngAse+HiR0y3+dnSAqUw03O7tnvWBrNH6RL1IDhBkSC6wSmGoNlYd9iZ zTSWZkxmGmsED8vg+MaNBMVunjOr0FflDxIJskV3hwZdLJ6yT+849Ja/dpe5aA== ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1743108520; a=rsa-sha256; cv=none; b=OokcGWDKcSVNAlLmME2mR1MsJ+tEzOkLxYzsiXQJo1yG7pG/uS6AG2NSzjqoKXA0AR8qgb MHoQ4eKriAjfVBvE/6OzUZKFTap/7YgREkysF7GVwi31Zl8NaZASvTPODgnyE2uCzmcFmo 6tK44fjCQ8yBaHQP6VBlx5LLAqpNfJWMr+1U6349yM9n3NKo1QfXM1/I9qtRXaWyHShEal nCGM9M50mc+DExraNg8cwdeE8B1lNFBQHX9Rc7VxaTNlpXd+exyn1vWkhQ2H/L0uu7c773 0TNXIGnTLHXrlBSs1Gzuh8VMAeFGDHFFGtqlHZVByeTSWLqBlQqlf2boKvZEDw== ARC-Authentication-Results: i=1; mx1.freebsd.org; none ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1743108520; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=TwyvyT4AzFCKRnTel29CflP9/ZrTkRq/1bFLS+9akpo=; b=sthiCd59v/05N+C5G8jGtuNB/E6c8VaGuixgJ52TKVsdym8Rv5Jy1MJ7bgIdC0alWe8+cs Kox07LbFyzeHmbY930ix2y4oJLpJAfzu1UnQonfVtkwijOFeXKFnn1dtePJkkMovYPPj/A Ra/1z1VjC4ZBhb9LTbP6EXRRS9TyTY4RDloikBhpVP1btvYm2HJsDlkscvSOuKYjBNRYjt WkS9AHezHyHw2ztVzVG2jMqIcc2yD9WBxLcPntH55Sf3vISAtIhl596Nkf/oB0egAx3dkO x3k6cyOSxZWNF0nRxLEd9/QFl8Q6KhyB16Q+en3xIRFyz3OcmNVcVSt06tQAAw== Received: from gitrepo.freebsd.org (gitrepo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:5]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 4ZNwjh528fz1BX7; Thu, 27 Mar 2025 20:48:40 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from gitrepo.freebsd.org ([127.0.1.44]) by gitrepo.freebsd.org (8.18.1/8.18.1) with ESMTP id 52RKmeTP012861; Thu, 27 Mar 2025 20:48:40 GMT (envelope-from git@gitrepo.freebsd.org) Received: (from git@localhost) by gitrepo.freebsd.org (8.18.1/8.18.1/Submit) id 52RKmeaL012858; Thu, 27 Mar 2025 20:48:40 GMT (envelope-from git) Date: Thu, 27 Mar 2025 20:48:40 GMT Message-Id: <202503272048.52RKmeaL012858@gitrepo.freebsd.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org From: John Baldwin Subject: git: e3f669870fe2 - main - cdev: dev_copyname copies a character device's name to a buffer List-Id: Commit messages for all branches of the src repository List-Archive: https://lists.freebsd.org/archives/dev-commits-src-all List-Help: List-Post: List-Subscribe: List-Unsubscribe: X-BeenThere: dev-commits-src-all@freebsd.org Sender: owner-dev-commits-src-all@FreeBSD.org MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Git-Committer: jhb X-Git-Repository: src X-Git-Refname: refs/heads/main X-Git-Reftype: branch X-Git-Commit: e3f669870fe255ad4535d2a793e79e8ad878177f Auto-Submitted: auto-generated The branch main has been updated by jhb: URL: https://cgit.FreeBSD.org/src/commit/?id=e3f669870fe255ad4535d2a793e79e8ad878177f commit e3f669870fe255ad4535d2a793e79e8ad878177f Author: John Baldwin AuthorDate: 2025-03-27 20:43:15 +0000 Commit: John Baldwin CommitDate: 2025-03-27 20:43:15 +0000 cdev: dev_copyname copies a character device's name to a buffer This function can be called on a cdev that might have been destroyed unlike devtoname. Reviewed by: kib Differential Revision: https://reviews.freebsd.org/D49334 --- sys/kern/kern_conf.c | 13 +++++++++++++ sys/sys/conf.h | 1 + 2 files changed, 14 insertions(+) diff --git a/sys/kern/kern_conf.c b/sys/kern/kern_conf.c index f9d406548d10..1f0772e97030 100644 --- a/sys/kern/kern_conf.c +++ b/sys/kern/kern_conf.c @@ -1245,6 +1245,19 @@ devtoname(struct cdev *dev) return (dev->si_name); } +void +dev_copyname(struct cdev *dev, char *path, size_t len) +{ + struct cdevsw *csw; + int ref; + + csw = dev_refthread(dev, &ref); + if (csw != NULL) { + strlcpy(path, dev->si_name, len); + dev_relthread(dev, ref); + } +} + int dev_stdclone(char *name, char **namep, const char *stem, int *unit) { diff --git a/sys/sys/conf.h b/sys/sys/conf.h index 8970006c7089..1646aa108701 100644 --- a/sys/sys/conf.h +++ b/sys/sys/conf.h @@ -277,6 +277,7 @@ void destroy_dev(struct cdev *_dev); int destroy_dev_sched(struct cdev *dev); int destroy_dev_sched_cb(struct cdev *dev, void (*cb)(void *), void *arg); void destroy_dev_drain(struct cdevsw *csw); +void dev_copyname(struct cdev *dev, char *path, size_t len); struct cdevsw *dev_refthread(struct cdev *_dev, int *_ref); struct cdevsw *devvn_refthread(struct vnode *vp, struct cdev **devp, int *_ref); void dev_relthread(struct cdev *_dev, int _ref);