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[174.29.1.49]) by smtp.gmail.com with ESMTPSA id 5614622812f47-56813e54e39sm2859944b6e.15.2026.11.08.14.42.21 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 08 Nov 2026 14:42:21 -0800 (PST) From: James Hilliard Date: Sun, 08 Nov 2026 15:42:08 -0700 Subject: [PATCH v2 1/4] mtd: rawnand: qcom: parse boot partitions before registering MTD X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20261108-submit-qcom-nand-child-probe-errors-v1-v2-1-4a8704cbf7b4@gmail.com> References: <20261108-submit-qcom-nand-child-probe-errors-v1-v2-0-4a8704cbf7b4@gmail.com> In-Reply-To: <20261108-submit-qcom-nand-child-probe-errors-v1-v2-0-4a8704cbf7b4@gmail.com> To: Miquel Raynal , Richard Weinberger , Vignesh Raghavendra , Manivannan Sadhasivam , Christian Marangi , Sricharan R , Md Sadre Alam , Boris Brezillon Cc: linux-mtd@lists.infradead.org, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, James Hilliard , stable@vger.kernel.org X-Mailer: b4 0.15.2 A boot-partition parsing error currently calls nand_cleanup() after the MTD device has already been registered, leaving a published device backed by freed chip resources. Registration can also invoke consumers before the boot-partition layout is available. Parse that layout after nand_scan() supplies the geometry but before publishing the device. All failures then reach cleanup without leaving a registered MTD behind. Fixes: 862bdedd7f4b ("mtd: nand: raw: qcom_nandc: add support for unprotected spare data pages") Cc: stable@vger.kernel.org Signed-off-by: James Hilliard --- drivers/mtd/nand/raw/qcom_nandc.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/mtd/nand/raw/qcom_nandc.c b/drivers/mtd/nand/raw/qcom_nandc.c index 2d98f79b492d..f240d1effa04 100644 --- a/drivers/mtd/nand/raw/qcom_nandc.c +++ b/drivers/mtd/nand/raw/qcom_nandc.c @@ -2052,16 +2052,16 @@ static int qcom_nand_host_init_and_register(struct qcom_nand_controller *nandc, if (ret) return ret; - ret = mtd_device_parse_register(mtd, probes, NULL, NULL, 0); - if (ret) - goto err; - if (nandc->props->use_codeword_fixup) { ret = qcom_nand_host_parse_boot_partitions(nandc, host, dn); if (ret) goto err; } + ret = mtd_device_parse_register(mtd, probes, NULL, NULL, 0); + if (ret) + goto err; + return 0; err: -- 2.53.0