From: kernel test robot <lkp@intel.com>
Date: Sat, 22 Jan 2022 12:09:44 +0100
Subject: bpf: Fix flexible_array.cocci warnings
Patch-mainline: v5.18-rc1
Git-commit: ed8bb03222c965290026c8ead5a902f4140f5440
References: jsc#PED-1377

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: c1ff181ffabc ("selftests/bpf: Extend kfunc selftests")
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: kernel test robot <lkp@intel.com>
Signed-off-by: Julia Lawall <julia.lawall@inria.fr>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Cc: Kumar Kartikeya Dwivedi <memxor@gmail.com>
Link: https://lore.kernel.org/bpf/alpine.DEB.2.22.394.2201221206320.12220@hadrien
Acked-by: Shung-Hsi Yu <shung-hsi.yu@suse.com>
---
 net/bpf/test_run.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/net/bpf/test_run.c
+++ b/net/bpf/test_run.c
@@ -324,7 +324,7 @@ struct prog_test_fail2 {
 struct prog_test_fail3 {
 	int len;
 	char arr1[2];
-	char arr2[0];
+	char arr2[];
 };
 
 noinline void bpf_kfunc_call_test_pass_ctx(struct __sk_buff *skb)