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[128.93.83.149]) by smtp.googlemail.com with ESMTPSA id ffacd0b85a97d-48de77606fbsm4122409f8f.53.2026.10.14.01.24.29 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 14 Oct 2026 01:24:29 -0700 (PDT) From: Thomas Fourier To: Cc: Thomas Fourier , Miquel Raynal , Richard Weinberger , Vignesh Raghavendra , Kees Cook , Manuel Lauss , Artem Bityutskiy , linux-mtd@lists.infradead.org (open list:NAND FLASH SUBSYSTEM), linux-kernel@vger.kernel.org (open list) Subject: [PATCH] MTD: nand: Fix release_mem_region() size Date: Wed, 14 Oct 2026 10:22:51 +0200 Message-ID: <20261014082258.33315-2-fourier.thomas@gmail.com> X-Mailer: git-send-email 2.53.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit In au1550nd_probe(), request_mem_region() is called with size resource_size(r), and release_mem_region() is called in the error path with the same size. Howeve, in the cleanup function au1550nd_remove() calls release_mem_region() with size 0x1000. Change release size to match request. Fixes: b67a1a02d463 ("MTD: nand: make au1550nd.c a platform_driver") Signed-off-by: Thomas Fourier --- drivers/mtd/nand/raw/au1550nd.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/mtd/nand/raw/au1550nd.c b/drivers/mtd/nand/raw/au1550nd.c index f1e99197ab84..623a10dbce55 100644 --- a/drivers/mtd/nand/raw/au1550nd.c +++ b/drivers/mtd/nand/raw/au1550nd.c @@ -348,7 +348,7 @@ static void au1550nd_remove(struct platform_device *pdev) WARN_ON(ret); nand_cleanup(chip); iounmap(ctx->base); - release_mem_region(r->start, 0x1000); + release_mem_region(r->start, resource_size(r)); kfree(ctx); } -- 2.53.0