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Sun, 15 Mar 2026 00:17:59 -0700 (PDT) Received: from junjungu-PC.localdomain ([223.167.147.240]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2aece56cb7fsm87285415ad.6.2026.03.15.00.17.56 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 15 Mar 2026 00:17:59 -0700 (PDT) From: Felix Gu Date: Sun, 15 Mar 2026 15:17:54 +0800 Subject: [PATCH] irqchip/riscv-rpmi-sysmsi: Fix mailbox channel leak in rpmi_sysmsi_probe() MIME-Version: 1.0 Message-Id: <20260315-sysmsi-v1-1-5f090c86c2ca@gmail.com> X-B4-Tracking: v=1; b=H4sIACFdtmkC/6tWKk4tykwtVrJSqFYqSi3LLM7MzwNyDHUUlJIzE vPSU3UzU4B8JSMDIzMDY0NT3eLK4tziTN00MyNTkzQzU3MDwzQloOKCotS0zAqwQdGxtbUA09f 2HVgAAAA= X-Change-ID: 20260315-sysmsi-f6254f65701f To: Rahul Pathak , Anup Patel , Thomas Gleixner , Paul Walmsley , Palmer Dabbelt , Albert Ou , Alexandre Ghiti , Jassi Brar , Sunil V L Cc: Anup Patel , linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, Felix Gu X-Mailer: b4 0.14.3 X-Developer-Signature: v=1; a=ed25519-sha256; t=1773559076; l=1079; i=ustc.gu@gmail.com; h=from:subject:message-id; bh=tcQw2kHiC9GSxdTDYKfZrPmy6kro67MTQ4O0GCXNUmE=; b=92SpKj9FxV87KIFWQ02U8AtxkgcLsgAkrosCGnPj2ue44MhpG2PET9Xd9SyE3A5bCsSZqaEjR H1FxIkU82XoAgnDGhNdAlcZU97KWiIudzcnQsWtyLVHTRfe4+oGQP1d X-Developer-Key: i=ustc.gu@gmail.com; a=ed25519; pk=fjUXwmjchVN7Ja6KGP55IXOzFeCl9edaHoQIEUA+/hw= X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260315_001801_753962_3B65C47D X-CRM114-Status: UNSURE ( 8.64 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org When riscv_acpi_get_gsi_info() fails, the mailbox channel previously requested via mbox_request_channel() is not freed. Add the missing mbox_free_channel() call to prevent the resource leak. Fixes: 4752b0cfbc37 ("irqchip/riscv-rpmi-sysmsi: Add ACPI support") Signed-off-by: Felix Gu --- drivers/irqchip/irq-riscv-rpmi-sysmsi.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/irqchip/irq-riscv-rpmi-sysmsi.c b/drivers/irqchip/irq-riscv-rpmi-sysmsi.c index 5c74c561ce31..612f3972f7af 100644 --- a/drivers/irqchip/irq-riscv-rpmi-sysmsi.c +++ b/drivers/irqchip/irq-riscv-rpmi-sysmsi.c @@ -250,6 +250,7 @@ static int rpmi_sysmsi_probe(struct platform_device *pdev) rc = riscv_acpi_get_gsi_info(fwnode, &priv->gsi_base, &id, &nr_irqs, NULL); if (rc) { + mbox_free_channel(priv->chan); dev_err(dev, "failed to find GSI mapping\n"); return rc; } --- base-commit: b84a0ebe421ca56995ff78b66307667b62b3a900 change-id: 20260315-sysmsi-f6254f65701f Best regards, -- Felix Gu _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv