There is a regular need in the kernel to provide a way to declare having a
dynamically sized set of trailing elements in a structure. Kernel code should
always use “flexible array members”[1] for these cases. The older style of
one-element or zero-length arrays should no longer be used[2].
[1] https://en.wikipedia.org/wiki/Flexible_array_member
[2] https://www.kernel.org/doc/html/v5.9/process/deprecated.html#zero-length-and-one-element-arrays
Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
u8 type;
u8 length;
u8 ext_payload[2];
- u8 hdr[0];
+ u8 hdr[];
};
/**
u8 count;
u8 size;
u8 reserved[2];
- struct mei_ext_hdr hdrs[0];
+ struct mei_ext_hdr hdrs[];
};
/*
u32 dma_ring:1;
u32 internal:1;
u32 msg_complete:1;
- u32 extension[0];
+ u32 extension[];
} __packed;
/* The length is up to 9 bits */