linux-kernel - [irqchip: irq/irqchip-next] irqchip/ls-extirq: Fix endianness detection

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Mon, 05 Dec 2022 11:21:04 -0000
From:   "irqchip-bot for Sean Anderson" <tip-bot2@...utronix.de>
To:     linux-kernel@...r.kernel.org
Cc:     Sean Anderson <sean.anderson@...o.com>,
        Marc Zyngier <maz@...nel.org>, tglx@...utronix.de
Subject: [irqchip: irq/irqchip-next] irqchip/ls-extirq: Fix endianness detection

The following commit has been merged into the irq/irqchip-next branch of irqchip:

Commit-ID:     3ae977d0e4e3a2a2ccc912ca2d20c9430508ecdd
Gitweb:        https://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms/3ae977d0e4e3a2a2ccc912ca2d20c9430508ecdd
Author:        Sean Anderson <sean.anderson@...o.com>
AuthorDate:    Thu, 01 Dec 2022 16:28:07 -05:00
Committer:     Marc Zyngier <maz@...nel.org>
CommitterDate: Mon, 05 Dec 2022 10:39:52 

irqchip/ls-extirq: Fix endianness detection

parent is the interrupt parent, not the parent of node. Use
node->parent. This fixes endianness detection on big-endian platforms.

Fixes: 1b00adce8afd ("irqchip/ls-extirq: Fix invalid wait context by avoiding to use regmap")
Signed-off-by: Sean Anderson <sean.anderson@...o.com>
Signed-off-by: Marc Zyngier <maz@...nel.org>
Link: https://lore.kernel.org/r/20221201212807.616191-1-sean.anderson@seco.com
---
 drivers/irqchip/irq-ls-extirq.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/irqchip/irq-ls-extirq.c b/drivers/irqchip/irq-ls-extirq.c
index d8d48b1..139f26b 100644
--- a/drivers/irqchip/irq-ls-extirq.c
+++ b/drivers/irqchip/irq-ls-extirq.c
@@ -203,7 +203,7 @@ ls_extirq_of_init(struct device_node *node, struct device_node *parent)
 	if (ret)
 		goto err_parse_map;
 
-	priv->big_endian = of_device_is_big_endian(parent);
+	priv->big_endian = of_device_is_big_endian(node->parent);
 	priv->is_ls1021a_or_ls1043a = of_device_is_compatible(node, "fsl,ls1021a-extirq") ||
 				      of_device_is_compatible(node, "fsl,ls1043a-extirq");
 	raw_spin_lock_init(&priv->lock);