From: Sasha Levin <sashal@kernel.org>
To: linux-kernel@vger.kernel.org, stable@vger.kernel.org
Cc: Chenyuan Yang <chenyuan0y@gmail.com>,
Geert Uytterhoeven <geert+renesas@glider.be>,
Matthias Brugger <matthias.bgg@gmail.com>,
Sasha Levin <sashal@kernel.org>,
linus.walleij@linaro.org, linux-renesas-soc@vger.kernel.org,
linux-gpio@vger.kernel.org
Subject: [PATCH AUTOSEL 6.14 03/23] pinctrl: renesas: rza2: Fix potential NULL pointer dereference
Date: Thu, 3 Apr 2025 20:03:40 -0400 [thread overview]
Message-ID: <20250404000402.2688049-3-sashal@kernel.org> (raw)
In-Reply-To: <20250404000402.2688049-1-sashal@kernel.org>
From: Chenyuan Yang <chenyuan0y@gmail.com>
[ Upstream commit f752ee5b5b86b5f88a5687c9eb0ef9b39859b908 ]
`chip.label` in rza2_gpio_register() could be NULL.
Add the missing check.
Signed-off-by: Chenyuan Yang <chenyuan0y@gmail.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Matthias Brugger <matthias.bgg@gmail.com>
Link: https://lore.kernel.org/20250210232552.1545887-1-chenyuan0y@gmail.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/pinctrl/renesas/pinctrl-rza2.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/pinctrl/renesas/pinctrl-rza2.c b/drivers/pinctrl/renesas/pinctrl-rza2.c
index dd1f8c29d3e75..a654ede01f705 100644
--- a/drivers/pinctrl/renesas/pinctrl-rza2.c
+++ b/drivers/pinctrl/renesas/pinctrl-rza2.c
@@ -246,6 +246,9 @@ static int rza2_gpio_register(struct rza2_pinctrl_priv *priv)
int ret;
chip.label = devm_kasprintf(priv->dev, GFP_KERNEL, "%pOFn", np);
+ if (!chip.label)
+ return -ENOMEM;
+
chip.parent = priv->dev;
chip.ngpio = priv->npins;
--
2.39.5
next prev parent reply other threads:[~2025-04-04 0:04 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-04-04 0:03 [PATCH AUTOSEL 6.14 01/23] crypto: ecdsa - Harden against integer overflows in DIV_ROUND_UP() Sasha Levin
2025-04-04 0:03 ` [PATCH AUTOSEL 6.14 02/23] selftests/bpf: Fix stdout race condition in traffic monitor Sasha Levin
2025-04-04 0:03 ` Sasha Levin [this message]
2025-04-04 0:03 ` [PATCH AUTOSEL 6.14 04/23] pinctrl: mcp23s08: Get rid of spurious level interrupts Sasha Levin
2025-04-04 0:03 ` [PATCH AUTOSEL 6.14 05/23] MIPS: cm: Detect CM quirks from device tree Sasha Levin
2025-04-04 0:03 ` [PATCH AUTOSEL 6.14 06/23] crypto: ccp - Add support for PCI device 0x1134 Sasha Levin
2025-04-04 0:03 ` [PATCH AUTOSEL 6.14 07/23] crypto: lib/Kconfig - Fix lib built-in failure when arch is modular Sasha Levin
2025-04-04 0:03 ` [PATCH AUTOSEL 6.14 08/23] crypto: null - Use spin lock instead of mutex Sasha Levin
2025-04-04 0:03 ` [PATCH AUTOSEL 6.14 09/23] bpf: Fix kmemleak warning for percpu hashmap Sasha Levin
2025-04-04 0:03 ` [PATCH AUTOSEL 6.14 10/23] HSI: ssi_protocol: Fix use after free vulnerability in ssi_protocol Driver Due to Race Condition Sasha Levin
2025-04-04 0:03 ` [PATCH AUTOSEL 6.14 11/23] bpf: Fix deadlock between rcu_tasks_trace and event_mutex Sasha Levin
2025-04-04 0:03 ` [PATCH AUTOSEL 6.14 12/23] clk: check for disabled clock-provider in of_clk_get_hw_from_clkspec() Sasha Levin
2025-04-04 0:03 ` [PATCH AUTOSEL 6.14 13/23] parisc: PDT: Fix missing prototype warning Sasha Levin
2025-04-04 0:03 ` [PATCH AUTOSEL 6.14 14/23] s390/sclp: Add check for get_zeroed_page() Sasha Levin
2025-04-04 0:03 ` [PATCH AUTOSEL 6.14 15/23] s390/tty: Fix a potential memory leak bug Sasha Levin
2025-04-04 0:03 ` [PATCH AUTOSEL 6.14 16/23] clk: renesas: rzv2h: Adjust for CPG_BUS_m_MSTOP starting from m = 1 Sasha Levin
2025-04-04 0:03 ` [PATCH AUTOSEL 6.14 17/23] selftests/bpf: Fix cap_enable_effective() return code Sasha Levin
2025-04-04 0:03 ` [PATCH AUTOSEL 6.14 18/23] bpf: bpftool: Setting error code in do_loader() Sasha Levin
2025-04-04 0:03 ` [PATCH AUTOSEL 6.14 19/23] bpf: Only fails the busy counter check in bpf_cgrp_storage_get if it creates storage Sasha Levin
2025-04-04 0:03 ` [PATCH AUTOSEL 6.14 20/23] bpf: Reject attaching fexit/fmod_ret to __noreturn functions Sasha Levin
2025-04-04 0:03 ` [PATCH AUTOSEL 6.14 21/23] x86/Kconfig: Make CONFIG_PCI_CNB20LE_QUIRK depend on X86_32 Sasha Levin
2025-04-04 0:03 ` [PATCH AUTOSEL 6.14 22/23] mailbox: pcc: Fix the possible race in updation of chan_in_use flag Sasha Levin
2025-04-04 0:04 ` [PATCH AUTOSEL 6.14 23/23] mailbox: pcc: Always clear the platform ack interrupt first Sasha Levin
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