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ASoC: uapi: Replace zero-length arrays with __DECLARE_FLEX_ARRAY() helper

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Zero-length arrays are deprecated and we are moving towards adopting
C99 flexible-array members, instead. So, replace zero-length arrays
declarations in anonymous union with the new __DECLARE_FLEX_ARRAY()
helper macro.

This helper allows for flexible-array members in unions.

Link: https://github.com/KSPP/linux/issues/193
Link: https://github.com/KSPP/linux/issues/227
Link: https://gcc.gnu.org/onlinedocs/gcc/Zero-Length.html
Reviewed-by: Kees Cook <keescook@chromium.org>
Reviewed-by: Amadeusz Sławiński <amadeuszx.slawinski@linux.intel.com>
Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
This commit is contained in:
Gustavo A. R. Silva 2022-09-26 18:18:42 -05:00
parent fe15c26ee2
commit 97ab4c116a
1 changed files with 3 additions and 3 deletions
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6
include/uapi/sound/asoc.h
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@ -222,9 +222,9 @@ struct snd_soc_tplg_vendor_array {
__le32 type; /* SND_SOC_TPLG_TUPLE_TYPE_ */
__le32 num_elems; /* number of elements in array */
union {
struct snd_soc_tplg_vendor_uuid_elem uuid[0];
struct snd_soc_tplg_vendor_value_elem value[0];
struct snd_soc_tplg_vendor_string_elem string[0];
__DECLARE_FLEX_ARRAY(struct snd_soc_tplg_vendor_uuid_elem, uuid);
__DECLARE_FLEX_ARRAY(struct snd_soc_tplg_vendor_value_elem, value);
__DECLARE_FLEX_ARRAY(struct snd_soc_tplg_vendor_string_elem, string);
};
} __attribute__((packed));