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[104.39.213.233]) by smtp.gmail.com with ESMTPSA id 6a1803df08f44-9120f5ebc79sm109264546d6.48.2026.09.14.18.55.27 (version=TLS1_3 cipher=TLS_CHACHA20_POLY1305_SHA256 bits=256/256); Mon, 14 Sep 2026 18:55:27 -0700 (PDT) From: Myeonghun Pak To: Borislav Petkov , Tony Luck Cc: linux-edac@vger.kernel.org, linux-kernel@vger.kernel.org, stable@vger.kernel.org Subject: [PATCH 1/3] EDAC/e752x: Use managed PCI device enablement Date: Mon, 14 Sep 2026 21:55:17 -0400 Message-ID: <20260915015519.83833-2-mhun512@gmail.com> X-Mailer: git-send-email 2.47.1 In-Reply-To: <20260915015519.83833-1-mhun512@gmail.com> References: <20260915015519.83833-1-mhun512@gmail.com> Precedence: bulk X-Mailing-List: linux-edac@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit e752x_init_one() enables the PCI device without balancing the enable reference on probe failure or removal. Use pcim_enable_device() so the PCI device is disabled after failed probing and after driver removal. This issue was identified during our ongoing static-analysis research while reviewing kernel code. Fixes: 806c35f5057a ("[PATCH] EDAC: drivers for AMD 76x and Intel E750x, E752x") Cc: stable@vger.kernel.org Assisted-by: LLM Co-developed-by: Ijae Kim Signed-off-by: Ijae Kim Signed-off-by: Myeonghun Pak --- drivers/edac/e752x_edac.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/edac/e752x_edac.c b/drivers/edac/e752x_edac.c --- a/drivers/edac/e752x_edac.c +++ b/drivers/edac/e752x_edac.c @@ -1387,7 +1387,7 @@ static int e752x_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) edac_dbg(0, "\n"); /* wake up and enable device */ - if (pci_enable_device(pdev) < 0) + if (pcim_enable_device(pdev) < 0) return -EIO; return e752x_probe1(pdev, ent->driver_data);