linux-arm-kernel.lists.infradead.org archive mirror
 help / color / mirror / Atom feed
From: Miaoqian Lin <linmq006@gmail.com>
To: Kevin Hilman <khilman@kernel.org>,
	Aaro Koskinen <aaro.koskinen@iki.fi>,
	Andreas Kemnade <andreas@kemnade.info>,
	Roger Quadros <rogerq@kernel.org>,
	Tony Lindgren <tony@atomide.com>,
	Russell King <linux@armlinux.org.uk>,
	Santosh Shilimkar <ssantosh@kernel.org>,
	Dave Gerlach <d-gerlach@ti.com>,
	linux-omap@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org
Cc: linmq006@gmail.com, stable@vger.kernel.org
Subject: [PATCH] ARM: OMAP2+: pm33xx-core: ix device node reference leaks in amx3_idle_init
Date: Tue,  2 Sep 2025 15:59:43 +0800	[thread overview]
Message-ID: <20250902075943.2408832-1-linmq006@gmail.com> (raw)

Add missing of_node_put() calls to release
device node references obtained via of_parse_phandle().

Fixes: 06ee7a950b6a ("ARM: OMAP2+: pm33xx-core: Add cpuidle_ops for am335x/am437x")
Cc: stable@vger.kernel.org
Signed-off-by: Miaoqian Lin <linmq006@gmail.com>
---
 arch/arm/mach-omap2/pm33xx-core.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/arch/arm/mach-omap2/pm33xx-core.c b/arch/arm/mach-omap2/pm33xx-core.c
index c907478be196..4abb86dc98fd 100644
--- a/arch/arm/mach-omap2/pm33xx-core.c
+++ b/arch/arm/mach-omap2/pm33xx-core.c
@@ -388,12 +388,15 @@ static int __init amx3_idle_init(struct device_node *cpu_node, int cpu)
 		if (!state_node)
 			break;
 
-		if (!of_device_is_available(state_node))
+		if (!of_device_is_available(state_node)) {
+			of_node_put(state_node);
 			continue;
+		}
 
 		if (i == CPUIDLE_STATE_MAX) {
 			pr_warn("%s: cpuidle states reached max possible\n",
 				__func__);
+			of_node_put(state_node);
 			break;
 		}
 
@@ -403,6 +406,7 @@ static int __init amx3_idle_init(struct device_node *cpu_node, int cpu)
 			states[state_count].wfi_flags |= WFI_FLAG_WAKE_M3 |
 							 WFI_FLAG_FLUSH_CACHE;
 
+		of_node_put(state_node);
 		state_count++;
 	}
 
-- 
2.35.1



             reply	other threads:[~2025-09-02  8:21 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-09-02  7:59 Miaoqian Lin [this message]
2025-09-02  8:46 ` [PATCH] ARM: OMAP2+: pm33xx-core: ix device node reference leaks in amx3_idle_init Markus Elfring
2025-09-05 22:22 ` Kevin Hilman

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20250902075943.2408832-1-linmq006@gmail.com \
    --to=linmq006@gmail.com \
    --cc=aaro.koskinen@iki.fi \
    --cc=andreas@kemnade.info \
    --cc=d-gerlach@ti.com \
    --cc=khilman@kernel.org \
    --cc=linux-arm-kernel@lists.infradead.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-omap@vger.kernel.org \
    --cc=linux@armlinux.org.uk \
    --cc=rogerq@kernel.org \
    --cc=ssantosh@kernel.org \
    --cc=stable@vger.kernel.org \
    --cc=tony@atomide.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).