From nobody Sat Jun 20 17:35:30 2026 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 0849E35A3A6 for ; Sun, 12 Apr 2026 17:46:18 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1776015979; cv=none; b=czCEOYB+e0y6ADK3SN/Cscp0dSXythyjCP4d12E5Vt1vesgdi8jlMx/C2NiUGtEOKYJ4FqXiB5H2+smCAnVqLBDDNuTpd50qieNhEff+IIXKum6twITWvGK9y7XaeJZh6KWUWwlh31s8kEMHTPtMgGisFhmB2whqVsT9A4o9Nqw= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1776015979; c=relaxed/simple; bh=7IbHlKyhruV8jCz/+2I84EHxrllGM9r16Pyhco1vvQc=; h=Date:From:To:Cc:Subject:References:Message-ID:Content-Type: MIME-Version; b=LWHDbNnwStYZMozJ98Bd7cq2xc4KBIe5VYwZ+oSTBMkXzRCN4wp4GKjq16Qczif2/clEMj+kOF0OjuSv5qm+TfNp/yy3B4pkq5NfJQp+KHm7GJvs3VjPokH9Rjx7+DMYqUdVcZGC9aL0zdXPgDtMPSZMxF7gLEmQue8GC3w5+/Y= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=MIm+j9oY; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="MIm+j9oY" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 2194AC19424; Sun, 12 Apr 2026 17:46:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1776015978; bh=7IbHlKyhruV8jCz/+2I84EHxrllGM9r16Pyhco1vvQc=; h=Date:From:To:Cc:Subject:References:From; b=MIm+j9oYsq4T5cDvUBt1M/y5kuprWiGF0UPjh/MV0izpY2icn9YinB3Iil7yrx26I /0IYYvY5WmlN/itewnCQG9yZfKzMEOLAwjlU01wR3FdHJkySCfA8JYl6SYyEPzq6BW 20moqVJwB9eZVDT/SrSfg0X0iCK0Sk6OJ5zRtgkm/VMZ4/RsQo+OOzxClul3SMtp6k jSgCubD79VHEjA7wPulxWS1p3lbqnsgO8ZWF549xKXpMHs4XbabXKFUnsl+2FRoxXV 6J3PlbtI7t4fdxMpyITbmSEfsmE3C5EV5z3Vq02dUkzKuKk5Pf7ndP4t3zCUA3r4bs 3Jgn7aTFgCwaQ== Date: Sun, 12 Apr 2026 19:46:15 +0200 From: Thomas Gleixner To: Linus Torvalds Cc: linux-kernel@vger.kernel.org, x86@kernel.org Subject: [GIT pull] irq/msi for v7.1-rc1 References: <177601563477.7932.4081917600853246368.tglx@xen13> Message-ID: <177601563984.7932.15521927596126014038.tglx@xen13> Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Linus, please pull the latest irq/msi branch from: git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git irq-msi-2026-0= 4-12 up to: aa80869b77e1: irqchip/msi-lib: Refuse initialization when irq_write= _msi_msg() is missing A small update for the MSI interrupt library to check for callers which fail to provide the mandatory irq_write_msi_msg() callback, which prevents a NULL pointer dereference later. Thanks, tglx ------------------> Thomas Gleixner (1): irqchip/msi-lib: Refuse initialization when irq_write_msi_msg() is mi= ssing drivers/irqchip/irq-msi-lib.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/irqchip/irq-msi-lib.c b/drivers/irqchip/irq-msi-lib.c index d5eefc3d7215..45e0ed3134ce 100644 --- a/drivers/irqchip/irq-msi-lib.c +++ b/drivers/irqchip/irq-msi-lib.c @@ -48,6 +48,9 @@ bool msi_lib_init_dev_msi_info(struct device *dev, struct= irq_domain *domain, return false; } =20 + if (WARN_ON_ONCE(!chip->irq_write_msi_msg)) + return false; + required_flags =3D pops->required_flags; =20 /* Is the target domain bus token supported? */