From mboxrd@z Thu Jan 1 00:00:00 1970 From: Borislav Petkov Subject: [PATCH] ACPICA: Check whether ACPI is disabled before getting a table Date: Mon, 21 Aug 2017 15:20:54 +0200 Message-ID: <20170821132054.mwhdxkcka4ocp6h5@pd.tnic> References: <20170818194644.14538-1-toshi.kani@hpe.com> <20170818194644.14538-2-toshi.kani@hpe.com> <20170821112657.hrtjoeagxhc67rrr@pd.tnic> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Return-path: Content-Disposition: inline In-Reply-To: Sender: linux-kernel-owner@vger.kernel.org To: "Rafael J. Wysocki" Cc: Toshi Kani , "Rafael J. Wysocki" , Mauro Carvalho Chehab , Tony Luck , Len Brown , ACPI Devel Maling List , "open list:EDAC-CORE" , Linux Kernel Mailing List List-Id: linux-acpi@vger.kernel.org Borislav Petkov ... and save us the splrinking of this test around in the callers. No functionality change. Signed-off-by: Borislav Petkov --- drivers/acpi/acpica/tbxface.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/acpi/acpica/tbxface.c b/drivers/acpi/acpica/tbxface.c index 010b1c43df92..881b0d5b2838 100644 --- a/drivers/acpi/acpica/tbxface.c +++ b/drivers/acpi/acpica/tbxface.c @@ -226,6 +226,9 @@ acpi_get_table_header(char *signature, u32 j; struct acpi_table_header *header; + if (acpi_disabled) + return (AE_ERROR); + /* Parameter validation */ if (!signature || !out_table_header) { -- 2.13.0 -- Regards/Gruss, Boris. Good mailing practices for 400: avoid top-posting and trim the reply. From mboxrd@z Thu Jan 1 00:00:00 1970 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 Subject: ACPICA: Check whether ACPI is disabled before getting a table From: Borislav Petkov Message-Id: <20170821132054.mwhdxkcka4ocp6h5@pd.tnic> Date: Mon, 21 Aug 2017 15:20:54 +0200 To: "Rafael J. Wysocki" Cc: Toshi Kani , "Rafael J. Wysocki" , Mauro Carvalho Chehab , Tony Luck , Len Brown , ACPI Devel Maling List , "open list:EDAC-CORE" , Linux Kernel Mailing List List-ID: Qm9yaXNsYXYgUGV0a292IDxicEBzdXNlLmRlPgoKLi4uIGFuZCBzYXZlIHVzIHRoZSBzcGxyaW5r aW5nIG9mIHRoaXMgdGVzdCBhcm91bmQgaW4gdGhlIGNhbGxlcnMuCgpObyBmdW5jdGlvbmFsaXR5 IGNoYW5nZS4KClNpZ25lZC1vZmYtYnk6IEJvcmlzbGF2IFBldGtvdiA8YnBAc3VzZS5kZT4KLS0t CiBkcml2ZXJzL2FjcGkvYWNwaWNhL3RieGZhY2UuYyB8IDMgKysrCiAxIGZpbGUgY2hhbmdlZCwg MyBpbnNlcnRpb25zKCspCgpkaWZmIC0tZ2l0IGEvZHJpdmVycy9hY3BpL2FjcGljYS90YnhmYWNl LmMgYi9kcml2ZXJzL2FjcGkvYWNwaWNhL3RieGZhY2UuYwppbmRleCAwMTBiMWM0M2RmOTIuLjg4 MWIwZDViMjgzOCAxMDA2NDQKLS0tIGEvZHJpdmVycy9hY3BpL2FjcGljYS90YnhmYWNlLmMKKysr IGIvZHJpdmVycy9hY3BpL2FjcGljYS90YnhmYWNlLmMKQEAgLTIyNiw2ICsyMjYsOSBAQCBhY3Bp X2dldF90YWJsZV9oZWFkZXIoY2hhciAqc2lnbmF0dXJlLAogCXUzMiBqOwogCXN0cnVjdCBhY3Bp X3RhYmxlX2hlYWRlciAqaGVhZGVyOwogCisJaWYgKGFjcGlfZGlzYWJsZWQpCisJCXJldHVybiAo QUVfRVJST1IpOworCiAJLyogUGFyYW1ldGVyIHZhbGlkYXRpb24gKi8KIAogCWlmICghc2lnbmF0 dXJlIHx8ICFvdXRfdGFibGVfaGVhZGVyKSB7Cg==