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([202.120.234.58]) by smtp.googlemail.com with ESMTPSA id d2e1a72fcca58-7f4c2d4c2eesm4691139b3a.29.2025.12.12.01.05.12 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 12 Dec 2025 01:05:15 -0800 (PST) From: Miaoqian Lin To: Madhavan Srinivasan , Michael Ellerman , Nicholas Piggin , "Christophe Leroy (CS GROUP)" , Miaoqian Lin , Olof Johansson , Jeff Garzik , linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org Cc: stable@vger.kernel.org Subject: [PATCH] powerpc/pasemi: Fix error handling in pasemi_dma_init Date: Fri, 12 Dec 2025 13:05:01 +0400 Message-Id: <20251212090503.2447465-1-linmq006@gmail.com> X-Mailer: git-send-email 2.25.1 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Add missing pci_dev_put(iob_pdev) to drop the reference count obtained by pci_get_device() in case of error. Found via static analysis and code review. Fixes: 8ee9d8577935 ("pasemi: DMA engine management library") Cc: stable@vger.kernel.org Signed-off-by: Miaoqian Lin --- arch/powerpc/platforms/pasemi/dma_lib.c | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/powerpc/platforms/pasemi/dma_lib.c b/arch/powerpc/platfor= ms/pasemi/dma_lib.c index 1be1f18f6f09..b824bfe97ce8 100644 --- a/arch/powerpc/platforms/pasemi/dma_lib.c +++ b/arch/powerpc/platforms/pasemi/dma_lib.c @@ -530,6 +530,7 @@ int pasemi_dma_init(void) BUG(); pr_warn("Can't find DMA controller\n"); err =3D -ENODEV; + pci_dev_put(iob_pdev); goto out; } dma_regs =3D map_onedev(dma_pdev, 0); --=20 2.25.1