From: kernel test robot <lkp@xxxxxxxxx> 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@xxxxxxxxx> Reported-by: kernel test robot <lkp@xxxxxxxxx> Signed-off-by: kernel test robot <lkp@xxxxxxxxx> Signed-off-by: Julia Lawall <julia.lawall@xxxxxxxx> --- 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)