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bcache: Replace zero-length arrays with DECLARE_FLEX_ARRAY() helper 

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/213
Link: https://gcc.gnu.org/onlinedocs/gcc/Zero-Length.html
Reviewed-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
This commit is contained in:
Gustavo A. R. Silva 2022-09-26 16:43:15 -05:00
parent 06919d226d
commit b942a520d9
1 changed files with 4 additions and 4 deletions
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8
drivers/md/bcache/bcache_ondisk.h
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@ -359,8 +359,8 @@ struct jset {
__u64 prio_bucket[MAX_CACHES_PER_SET];
union {
struct bkey start[0];
__u64 d[0];
DECLARE_FLEX_ARRAY(struct bkey, start);
DECLARE_FLEX_ARRAY(__u64, d);
};
};
@ -424,8 +424,8 @@ struct bset {
__u32 keys;
union {
struct bkey start[0];
__u64 d[0];
DECLARE_FLEX_ARRAY(struct bkey, start);
DECLARE_FLEX_ARRAY(__u64, d);
};
};