drivers/acpi/nfit/core.c:2271:3-10: WARNING use flexible-array member instead (https://www.kernel.org/doc/html/latest/process/deprecated.html#zero-length-and-one-element-arrays)

drivers/acpi/nfit/core.c:2271:3-10: WARNING use flexible-array member instead (https://www.kernel.org/doc/html/latest/process/deprecated.html#zero-length-and-one-element-arrays)

[kernel test robot]

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CC: kbuild-all(a)lists.01.org
CC: linux-kernel(a)vger.kernel.org
TO: Denis Efremov <efremov@linux.com>
CC: Julia Lawall <Julia.Lawall@lip6.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
date:   2 months ago
:::::: branch date: 20 hours ago
:::::: commit date: 2 months ago
config: x86_64-randconfig-c002-20201215 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-15) 9.3.0

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Julia Lawall <julia.lawall@lip6.fr>


"coccinelle warnings: (new ones prefixed by >>)"
>> drivers/acpi/nfit/core.c:2271:3-10: WARNING use flexible-array member instead (https://www.kernel.org/doc/html/latest/process/deprecated.html#zero-length-and-one-element-arrays)
   drivers/acpi/nfit/core.c:2282:3-10: WARNING use flexible-array member instead (https://www.kernel.org/doc/html/latest/process/deprecated.html#zero-length-and-one-element-arrays)

Please review and possibly fold the followup patch.

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org

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[PATCH] coccinelle: misc: fix flexible_array.cocci warnings

[kernel test robot]

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CC: kbuild-all(a)lists.01.org
CC: linux-kernel(a)vger.kernel.org
TO: Denis Efremov <efremov@linux.com>
CC: Julia Lawall <Julia.Lawall@lip6.fr>
CC: Dan Williams <dan.j.williams@intel.com>
CC: Vishal Verma <vishal.l.verma@intel.com>
CC: Dave Jiang <dave.jiang@intel.com>
CC: Ira Weiny <ira.weiny@intel.com>
CC: "Rafael J. Wysocki" <rjw@rjwysocki.net>
CC: Len Brown <lenb@kernel.org>
CC: linux-nvdimm(a)lists.01.org
CC: linux-acpi(a)vger.kernel.org

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

drivers/acpi/nfit/core.c:2271:3-10: WARNING use flexible-array member instead (https://www.kernel.org/doc/html/latest/process/deprecated.html#zero-length-and-one-element-arrays)
drivers/acpi/nfit/core.c:2282:3-10: WARNING use flexible-array member instead (https://www.kernel.org/doc/html/latest/process/deprecated.html#zero-length-and-one-element-arrays)


 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@linux.com>
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: kernel test robot <lkp@intel.com>
---

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

Please take the patch only if it's a positive warning. Thanks!

 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)