linux-kernel - [PATCH] ACPI: NFIT: fix flexible

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Date:   Tue, 22 Dec 2020 22:09:18 +0100 (CET)
From:   Julia Lawall <julia.lawall@...ia.fr>
To:     Dan Williams <dan.j.williams@...el.com>,
        Vishal Verma <vishal.l.verma@...el.com>,
        Dave Jiang <dave.jiang@...el.com>,
        Ira Weiny <ira.weiny@...el.com>,
        "Rafael J. Wysocki" <rjw@...ysocki.net>,
        Len Brown <lenb@...nel.org>, linux-nvdimm@...ts.01.org
cc:     linux-acpi@...r.kernel.org, Denis Efremov <efremov@...ux.com>,
        kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org
Subject: [PATCH] ACPI: NFIT: fix flexible_array.cocci warnings

From: kernel test robot <lkp@...el.com>

Zero-length and one-element arrays are deprecated, see
Documentation/process/deprecated.rst
Flexible-array members should be used instead.

Generated by: scripts/coccinelle/misc/flexible_array.cocci

Fixes: 7b36c1398fb6 ("coccinelle: misc: add flexible_array.cocci script")
CC: Denis Efremov <efremov@...ux.com>
Reported-by: kernel test robot <lkp@...el.com>
Signed-off-by: kernel test robot <lkp@...el.com>
Signed-off-by: Julia Lawall <julia.lawall@...ia.fr>
---

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   148842c98a24e508aecb929718818fbf4c2a6ff3
commit: 7b36c1398fb63f9c38cc83dc75f143d2e5995062 coccinelle: misc: add flexible_array.cocci script
:::::: branch date: 20 hours ago
:::::: commit date: 2 months ago

 core.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

--- a/drivers/acpi/nfit/core.c
+++ b/drivers/acpi/nfit/core.c
@@ -2268,7 +2268,7 @@ struct nfit_set_info {
 		u64 region_offset;
 		u32 serial_number;
 		u32 pad;
-	} mapping[0];
+	} mapping[];
 };

 struct nfit_set_info2 {
@@ -2279,7 +2279,7 @@ struct nfit_set_info2 {
 		u16 manufacturing_date;
 		u8  manufacturing_location;
 		u8  reserved[31];
-	} mapping[0];
+	} mapping[];
 };

 static size_t sizeof_nfit_set_info(int num_mappings)