From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ocean He Subject: [PATCH] ACPI: nfit: return -ENODEV if fail to find NFIT at startup Date: Fri, 3 Aug 2018 05:39:58 -0400 Message-ID: <1533289198-11400-1-git-send-email-oceanhehy@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: linux-nvdimm-bounces-hn68Rpc1hR1g9hUCZPvPmw@public.gmane.org Sender: "Linux-nvdimm" To: dan.j.williams-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org, ross.zwisler-VuQAYsv1563Yd54FQh9/CA@public.gmane.org, vishal.l.verma-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org, dave.jiang-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org, rjw-LthD3rsA81gm4RdzfppkhA@public.gmane.org, lenb-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org Cc: linux-acpi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Ocean He , linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-nvdimm-hn68Rpc1hR1g9hUCZPvPmw@public.gmane.org List-Id: linux-acpi@vger.kernel.org From: Ocean He In the beginning of acpi_nfit_add, if fail to find NFIT table then should return -ENODEV, instead of 0. Signed-off-by: Ocean He --- drivers/acpi/nfit/core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/acpi/nfit/core.c b/drivers/acpi/nfit/core.c index 7c47900..1790d7c 100644 --- a/drivers/acpi/nfit/core.c +++ b/drivers/acpi/nfit/core.c @@ -3355,7 +3355,7 @@ static int acpi_nfit_add(struct acpi_device *adev) if (ACPI_FAILURE(status)) { /* This is ok, we could have an nvdimm hotplugged later */ dev_dbg(dev, "failed to find NFIT at startup\n"); - return 0; + return -ENODEV; } rc = devm_add_action_or_reset(dev, acpi_nfit_put_table, tbl); -- 1.8.3.1