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crypto: talitos - 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/216
Link: https://gcc.gnu.org/onlinedocs/gcc/Zero-Length.html
Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Reviewed-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Gustavo A. R. Silva 2022-09-26 16:45:45 -05:00 committed by Herbert Xu
parent 237f9eceb2
commit 224f3a050e
1 changed files with 2 additions and 2 deletions
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4
drivers/crypto/talitos.h
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@ -65,8 +65,8 @@ struct talitos_edesc {
dma_addr_t dma_link_tbl;
struct talitos_desc desc;
union {
struct talitos_ptr link_tbl[0];
u8 buf[0];
DECLARE_FLEX_ARRAY(struct talitos_ptr, link_tbl);
DECLARE_FLEX_ARRAY(u8, buf);
};
};