From nobody Mon Mar 03 16:57:06 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 4Z64jZ6gSbz5pnXq; Mon, 03 Mar 2025 16:57:06 +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 4Z64jZ3PWLz46J8; Mon, 03 Mar 2025 16:57:06 +0000 (UTC) (envelope-from git@FreeBSD.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1741021026; 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=ldI8jR9Awq/9qaf+sTSwjX9fi+y21cceBDAvXNogqWE=; b=GlPfdq3ALaRzJqT3HYiZiTpk19dgqnKN0SjG6WWq+pd7naNKuI/ioGo2fewSWOorojPf69 gC/PJkzPfzqRZ8En//CIOb6oezzHHUf2BKnDDV4ZSJ9huyFNCS9jLmmBGxcrTGMI7EZ0mt sz3RCtu/BjFt3VuJnkc2685xDr5vGlJPK3Wgzx2A+7jQ/+MOjsxYTmC0uF2BPmBiJoEvhk fJeZsSqRt4w/twZ5O84SfXxgncMalhVCNn5iOzgqJDuXS3AoIkYBg9W62rforjMaxLeIRh ZvaJPO3U3nlyD+hDo6j2mM8D7fH1hoK8frwyngU9giDn02TBmNO2zBhnf44tOA== ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1741021026; a=rsa-sha256; cv=none; b=JPfrQE6/Lz1i9ZsQrk5VUjwm6Rf3jR+rGGwYKnpjgcqPXk03I2ohdJBef9rye71v6fGGDq KFZda+YPivHm56JDcGQhz6qO8mTyYUREf2tuTdzQcULgjE/6Qsy/74JavyBhWG/Df/85U4 JMPSOdYoNdh5u1L3+MO0vhXBGBpcNvTaF4TBFkh2u20QNZKKgkoHDzBSpf58sxF5csusvw dCoAqIlDgOXA6ThCChqcxlnd/4x1349532MH0Bzp1PeCX6F1kVpHUBXnS90a8Q4Fgk9v2K 0BfMOq3x1W5hOpmHcgero95So6Mch8uP+6gSvwyad20YfmYNIzWUKGK4Mirz3A== 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=1741021026; 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=ldI8jR9Awq/9qaf+sTSwjX9fi+y21cceBDAvXNogqWE=; b=SvfGuMncspK6iOKjVukjDYk6Z+HSzKW4R8IC+GlN6d/Vip+2BbLFsRwWi2M7qc1AOdNjCh JmYduXC6dT8F7mWq1FBttImHs5A2FO6JumLI8h2DIkJ2A8SSLk+m5Q2Fht8DoZTCiFCu9P TOy3+SXbLrTd98X8mUyfafX3Zx3jjS2a80soliM7MSoSVhyn+1zG6WAahFqtJK3d2+bbTn MKbycjClJm5X8bADDruAT3DXTVmjQ/Nu2TgUh41ke7MuyHSLT782JGUrmVxFjn5pEhFMPC CVVFnLIZoJf5XqKEV+yrcFxdBtGnw5R2Yuo82i23e6uuttYZj/YiGjGACYpTuw== 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 4Z64jZ2S5KzwcB; Mon, 03 Mar 2025 16:57:06 +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 523Gv6jU083942; Mon, 3 Mar 2025 16:57:06 GMT (envelope-from git@gitrepo.freebsd.org) Received: (from git@localhost) by gitrepo.freebsd.org (8.18.1/8.18.1/Submit) id 523Gv6Dg083939; Mon, 3 Mar 2025 16:57:06 GMT (envelope-from git) Date: Mon, 3 Mar 2025 16:57:06 GMT Message-Id: <202503031657.523Gv6Dg083939@gitrepo.freebsd.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org From: John Baldwin Subject: git: d2c8377a80ad - stable/14 - device_delete_child.9: Reference device_detach.9 and BUS_CHILD_DELETED.9 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/stable/14 X-Git-Reftype: branch X-Git-Commit: d2c8377a80ad955eb85bbfd760a327d0ed38a7e5 Auto-Submitted: auto-generated The branch stable/14 has been updated by jhb: URL: https://cgit.FreeBSD.org/src/commit/?id=d2c8377a80ad955eb85bbfd760a327d0ed38a7e5 commit d2c8377a80ad955eb85bbfd760a327d0ed38a7e5 Author: John Baldwin AuthorDate: 2025-02-05 19:45:54 +0000 Commit: John Baldwin CommitDate: 2025-03-03 16:56:21 +0000 device_delete_child.9: Reference device_detach.9 and BUS_CHILD_DELETED.9 Refer to device_detach(9) for the description of detaching a device. Note that descendants of the child device are also deleted (though in theory a proper detach routine should have already deleted these). Finally, note that BUS_CHILD_DELETED(9) is invoked on each deleted device. Differential Revision: https://reviews.freebsd.org/D48365 (cherry picked from commit 3f93f96c26e51a42822c61e73252f4aeb6bb303a) --- share/man/man9/device_delete_child.9 | 23 ++++++++++++++++++----- 1 file changed, 18 insertions(+), 5 deletions(-) diff --git a/share/man/man9/device_delete_child.9 b/share/man/man9/device_delete_child.9 index f6c08cb52e16..819c7f5e36b9 100644 --- a/share/man/man9/device_delete_child.9 +++ b/share/man/man9/device_delete_child.9 @@ -26,7 +26,7 @@ .\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF .\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. .\" -.Dd June 16, 1998 +.Dd February 5, 2025 .Dt DEVICE_DELETE_CHILD 9 .Os .Sh NAME @@ -41,13 +41,26 @@ The specified device is removed from .Fa dev and deleted. -If the device is currently attached, it is first detached (see -.Xr DEVICE_ATTACH 9 -and -.Xr DEVICE_DETACH 9 ) . +If the device is currently attached, it is first detached via +.Xr device_detach 9 . +If +.Fn device_detach +fails, +its error value is returned. +Otherwise, +all descendant devices of +.Fa child +are deleted and zero is returned. +.Pp +The +.Xr BUS_CHILD_DELETED 9 +method is invoked for each device that is deleted. +This permits the parent device's driver to tear down any state associated +with child devices such as ivars. .Sh RETURN VALUES Zero is returned on success, otherwise an error is returned. .Sh SEE ALSO +.Xr BUS_CHILD_DELETED 9 , .Xr device_add_child 9 .Sh AUTHORS This manual page was written by