From: Wen Yang <wen.yang99@zte.com.cn>
To: liviu.dudau@arm.com
Cc: sudeep.holla@arm.com, lorenzo.pieralisi@arm.com,
linux@armlinux.org.uk, linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, kgene@kernel.org, krzk@kernel.org,
linux-samsung-soc@vger.kernel.org, michal.simek@xilinx.com,
afaerber@suse.de, manivannan.sadhasivam@linaro.org,
dinguyen@kernel.org, heiko@sntech.de,
linux-rockchip@lists.infradead.org, f.fainelli@gmail.com,
rjui@broadcom.com, sbranden@broadcom.com,
bcm-kernel-feedback-list@broadcom.com, linus.walleij@linaro.org,
avifishman70@gmail.com, tmaimon77@gmail.com, venture@google.com,
yuenn@google.com, brendanhiggins@google.com,
openbmc@lists.ozlabs.org, xuwei5@hisilicon.com,
maxime.ripard@bootlin.com, wens@csie.org,
catalin.marinas@arm.com, will.deacon@arm.com, horms@verge.net.au,
magnus.damm@gmail.comlinux
Subject: [PATCH 02/15] ARM: bcm: fix a leaked reference by addingmissing of_node_put
Date: Fri, 1 Mar 2019 16:56:43 +0800 [thread overview]
Message-ID: <1551430616-42014-2-git-send-email-wen.yang99@zte.com.cn> (raw)
In-Reply-To: <1551430616-42014-1-git-send-email-wen.yang99@zte.com.cn>
The call to of_get_next_child returns a node pointer with refcount
incremented thus it must be explicitly decremented after the last
usage.
Detected by coccinelle with the following warnings:
./arch/arm/mach-bcm/board_bcm281xx.c:43:2-8: ERROR: missing of_node_put; acquired a node pointer with refcount incremented on line 35, but without a corresponding object release within this function.
Signed-off-by: Wen Yang <wen.yang99@zte.com.cn>
Cc: Florian Fainelli <f.fainelli@gmail.com>
Cc: Ray Jui <rjui@broadcom.com>
Cc: Scott Branden <sbranden@broadcom.com>
Cc: bcm-kernel-feedback-list@broadcom.com
Cc: Russell King <linux@armlinux.org.uk>
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-kernel@vger.kernel.org
---
arch/arm/mach-bcm/board_bcm281xx.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/arch/arm/mach-bcm/board_bcm281xx.c b/arch/arm/mach-bcm/board_bcm281xx.c
index b81bb38..1238ac8 100644
--- a/arch/arm/mach-bcm/board_bcm281xx.c
+++ b/arch/arm/mach-bcm/board_bcm281xx.c
@@ -38,6 +38,7 @@ static void bcm281xx_restart(enum reboot_mode mode, const char *cmd)
return;
}
base = of_iomap(np_wdog, 0);
+ of_node_put(np_wdog);
if (!base) {
pr_emerg("Couldn't map brcm,kona-wdt\n");
return;
--
2.9.5
next prev parent reply other threads:[~2019-03-01 8:56 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-03-01 8:56 [PATCH 01/15] ARM: actions: fix a leaked reference by addingmissing of_node_put Wen Yang
2019-03-01 8:56 ` Wen Yang [this message]
2019-03-01 18:28 ` [PATCH 02/15] ARM: bcm: " Florian Fainelli
2019-03-01 8:56 ` [PATCH 03/15] ARM: exynos: " Wen Yang
2019-03-01 9:14 ` Krzysztof Kozlowski
2019-03-01 8:56 ` [PATCH 04/15] ARM: hisi: " Wen Yang
2019-03-01 8:56 ` [PATCH 05/15] ARM: imx51: " Wen Yang
2019-03-04 5:37 ` Shawn Guo
2019-03-01 8:56 ` [PATCH 06/15] arm: npcm: " Wen Yang
2019-03-04 15:39 ` Avi Fishman
2019-03-01 8:56 ` [PATCH 07/15] ARM: rockchip: " Wen Yang
2019-03-01 8:56 ` [PATCH 08/15] ARM: shmobile: " Wen Yang
2019-03-01 9:51 ` Geert Uytterhoeven
2019-03-04 10:24 ` Simon Horman
2019-03-04 10:55 ` Fabrizio Castro
2019-03-06 13:00 ` Simon Horman
2019-03-01 8:56 ` [PATCH 09/15] ARM: socfpga: " Wen Yang
2019-03-01 8:56 ` [PATCH 10/15] ARM: sunxi: " Wen Yang
2019-03-01 8:56 ` [PATCH 11/15] ARM: versatile: " Wen Yang
2019-03-01 13:30 ` Linus Walleij
2019-03-01 8:56 ` [PATCH 12/15] ARM: vexpress: " Wen Yang
2019-03-04 14:46 ` Sudeep Holla
2019-03-01 8:56 ` [PATCH 13/15] ARM: zynq: " Wen Yang
2019-03-01 8:56 ` [PATCH 14/15] arm64: cpu_ops: " Wen Yang
2019-03-01 8:56 ` [PATCH 15/15] ARM: axxia: " Wen Yang
2019-03-01 15:55 ` [PATCH 01/15] ARM: actions: " Manivannan Sadhasivam
2019-03-04 12:29 ` Linus Walleij
2019-03-04 14:48 ` Manivannan Sadhasivam
2019-03-04 22:37 ` Linus Walleij
[not found] ` <CAOZjjhnDYHkWCd-zDqkFpg5FPoj-UxxNwVxfbg6QEahiASm10w@mail.gmail.com>
2019-03-05 9:55 ` Russell King - ARM Linux admin
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