From: kernel test robot <lkp@intel.com>
Date: Sat, 22 Jan 2022 11:09:44 +0000 (+0100)
Subject: bpf: Fix flexible_array.cocci warnings
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=ed8bb03222c965290026c8ead5a902f4140f5440;p=users%2Fwilly%2Flinux.git

bpf: Fix flexible_array.cocci warnings

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
---

diff --git a/net/bpf/test_run.c b/net/bpf/test_run.c
index 541933abd16f..65b52b4bd6e1 100644
--- 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)