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[18.143.158.86]) by smtp.gmail.com with ESMTPSA id a92af1059eb24-169a1becb11sm20136059c88.4.2026.10.11.06.20.22 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 11 Oct 2026 06:20:22 -0700 (PDT) From: jianyungao89@gmail.com To: linux-kernel@vger.kernel.org Cc: Jianyun Gao , Dan Williams , Vishal Verma , Dave Jiang , Alison Schofield , nvdimm@lists.linux.dev (open list:DEVICE DIRECT ACCESS (DAX)), linux-cxl@vger.kernel.org (open list:DEVICE DIRECT ACCESS (DAX)) Subject: [PATCH] dax: fix dax_core_init error return code Date: Sun, 11 Oct 2026 21:20:17 +0800 Message-Id: <20261011132017.31131-1-jianyungao89@gmail.com> X-Mailer: git-send-email 2.34.1 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: Jianyun Gao dax_core_init() mistakenly returns 0 on error paths. Change the error return to use rc so the actual error code is propagated to the caller. Fixes: 9567da0b408a ("device-dax: Introduce bus + driver model") Signed-off-by: Jianyun Gao --- drivers/dax/super.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/dax/super.c b/drivers/dax/super.c index 45f84b0eb909..0f35f65363ee 100644 --- a/drivers/dax/super.c +++ b/drivers/dax/super.c @@ -723,7 +723,7 @@ static int __init dax_core_init(void) rc = dax_fs_init(); if (rc) - return rc; + goto err_fs; rc = alloc_chrdev_region(&dax_devt, 0, MINORMASK+1, "dax"); if (rc) @@ -738,7 +738,8 @@ static int __init dax_core_init(void) unregister_chrdev_region(dax_devt, MINORMASK+1); err_chrdev: dax_fs_exit(); - return 0; +err_fs: + return rc; } static void __exit dax_core_exit(void) -- 2.34.1