From mboxrd@z Thu Jan 1 00:00:00 1970 Delivery-date: Wed, 18 Feb 2026 13:21:10 +0100 Received: from metis.whiteo.stw.pengutronix.de ([2a0a:edc0:2:b01:1d::104]) by lore.white.stw.pengutronix.de with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1vsgYH-0032qL-2D for lore@lore.pengutronix.de; Wed, 18 Feb 2026 13:21:10 +0100 Received: from bombadil.infradead.org ([2607:7c80:54:3::133]) by metis.whiteo.stw.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1vsgYI-00034Q-1d for lore@pengutronix.de; Wed, 18 Feb 2026 13:21:10 +0100 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: MIME-Version:Message-ID:Date:Subject:Cc:To:From:Reply-To:Content-Type: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References:List-Owner; bh=1Z60JmRyUUjsmfnTE3AEoRQHD6vZaBaliLBecxiQXYY=; b=PGYJPwnu07MUUoBBqUvxaLKSRr oXIN85oLxpwHFRJYgy4Ee82sQax111S/YGpfrTHYZi771SkOMzVB33Q/qMX0C1rTR9iI3SbF+wOfW J6rf6hPk5P3Dd4V9gpeZZf2wqmolK8hzeli25GcR34w2GtXbk0Gz4W176tIkdr8/EqQkxUglx44v2 c2z3KerbXooVM/+6PBb2sMwVJRO+q27D5k2nlGApRMqRwbqi/oStbh6NLbnzKUkkGs9BCpY3qBsqt um3PETfHxK/1Wk7FO9ouUMDNKrCL3U1axZBA/M6WAHZGXD4hD4cYWMcxZ3/qkirrUwIg6NIFaUznx qBav4/4w==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1vsgXv-00000009mZO-2PqS; Wed, 18 Feb 2026 12:20:47 +0000 Received: from metis.whiteo.stw.pengutronix.de ([2a0a:edc0:2:b01:1d::104]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1vsgXt-00000009mYG-2A1H for barebox@lists.infradead.org; Wed, 18 Feb 2026 12:20:46 +0000 Received: from drehscheibe.grey.stw.pengutronix.de ([2a0a:edc0:0:c01:1d::a2]) by metis.whiteo.stw.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1vsgXq-00030u-Cn; Wed, 18 Feb 2026 13:20:42 +0100 Received: from dude05.red.stw.pengutronix.de ([2a0a:edc0:0:1101:1d::54]) by drehscheibe.grey.stw.pengutronix.de with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1vsgXo-001P8j-2k; Wed, 18 Feb 2026 13:20:42 +0100 Received: from [::1] (helo=dude05.red.stw.pengutronix.de) by dude05.red.stw.pengutronix.de with esmtp (Exim 4.98.2) (envelope-from ) id 1vsgXq-00000003Ypr-0PIv; Wed, 18 Feb 2026 13:20:42 +0100 From: Ahmad Fatoum To: barebox@lists.infradead.org Cc: Ahmad Fatoum Date: Wed, 18 Feb 2026 13:20:40 +0100 Message-ID: <20260218122041.848881-1-a.fatoum@pengutronix.de> X-Mailer: git-send-email 2.47.3 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260218_042045_552093_FA9D5B05 X-CRM114-Status: UNSURE ( 8.49 ) X-CRM114-Notice: Please train this message. X-BeenThere: barebox@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "barebox" X-SA-Exim-Connect-IP: 2607:7c80:54:3::133 X-SA-Exim-Mail-From: barebox-bounces+lore=pengutronix.de@lists.infradead.org X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on metis.whiteo.stw.pengutronix.de X-Spam-Level: X-Spam-Status: No, score=-4.0 required=4.0 tests=AWL,BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_NONE autolearn=ham autolearn_force=no version=3.4.2 Subject: [PATCH] of: overlay: propagate error unflattening DTBO X-SA-Exim-Version: 4.2.1 (built Wed, 08 May 2019 21:11:16 +0000) X-SA-Exim-Scanned: Yes (on metis.whiteo.stw.pengutronix.de) of_unflatten_dtb() may return an error pointer when parsing of the device tree blob failed. Error pointers were not checked in of_overlay_apply_dtbo() leading to a panic when they were later dereferenced in of_copy_node(). Add an early exit to fix this. Signed-off-by: Ahmad Fatoum --- drivers/of/overlay.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/of/overlay.c b/drivers/of/overlay.c index 34543403e9ba..4345489b3b40 100644 --- a/drivers/of/overlay.c +++ b/drivers/of/overlay.c @@ -351,6 +351,9 @@ int of_overlay_apply_dtbo(struct device_node *root, const void *dtbo) int ret; overlay = of_unflatten_dtb(dtbo, INT_MAX); + if (IS_ERR(overlay)) + return PTR_ERR(overlay); + ret = of_overlay_apply_tree(root, overlay); of_delete_node(overlay); -- 2.47.3