target/linux/generic/backport-5.15/819-v6.6-0013-nvmem-u-boot-env-Replace-zero-length-array-with-DECL.patch

   1 From c32f2186acc9abb4d766361255d7ddf07d15eeb2 Mon Sep 17 00:00:00 2001
   2 From: Atul Raut <rauji.raut@gmail.com>
   3 Date: Sun, 30 Jul 2023 15:39:15 -0700
   4 Subject: [PATCH] nvmem: u-boot-env:: Replace zero-length array with
   5  DECLARE_FLEX_ARRAY() helper
   6
   7 We are moving toward replacing zero-length arrays with C99 flexible-array
   8 members since they are deprecated. Therefore, the new DECLARE_FLEX_ARRAY()
   9 helper macro should be used to replace the zero-length array declaration.
  10
  11 This fixes warnings such as:
  12 ./drivers/nvmem/u-boot-env.c:50:9-13: WARNING use flexible-array member instead (https://www.kernel.org/doc/html/latest/process/deprecated.html#zero-length-and-one-element-arrays)
  13
  14 Signed-off-by: Atul Raut <rauji.raut@gmail.com>
  15 Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
  16 ---
  17  drivers/nvmem/u-boot-env.c | 2 +-
  18  1 file changed, 1 insertion(+), 1 deletion(-)
  19
  20 --- a/drivers/nvmem/u-boot-env.c
  21 +++ b/drivers/nvmem/u-boot-env.c
  22 @@ -47,7 +47,7 @@ struct u_boot_env_image_broadcom {
  23         __le32 magic;
  24         __le32 len;
  25         __le32 crc32;
  26 -       uint8_t data[0];
  27 +       DECLARE_FLEX_ARRAY(uint8_t, data);
  28  } __packed;
  29
  30  static int u_boot_env_read(void *context, unsigned int offset, void *val,