From: Gustavo A. R. Silva Date: Tue, 28 Jun 2022 19:33:20 +0000 (+0200) Subject: io_uring: replace zero-length array with flexible-array member X-Git-Tag: v6.0-rc1~181^2~34 X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=8fcf4c48f44bd7b1b75db139f56ff1ad6477379e;p=tomoyo%2Ftomoyo-test1.git io_uring: replace zero-length array with flexible-array member 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/v5.16/process/deprecated.html#zero-length-and-one-element-arrays Link: https://github.com/KSPP/linux/issues/78 Signed-off-by: Gustavo A. R. Silva Signed-off-by: Jens Axboe --- diff --git a/include/uapi/linux/io_uring.h b/include/uapi/linux/io_uring.h index 094f706c93e0..8fe0275cdaf3 100644 --- a/include/uapi/linux/io_uring.h +++ b/include/uapi/linux/io_uring.h @@ -495,7 +495,7 @@ struct io_uring_probe { __u8 ops_len; /* length of ops[] array below */ __u16 resv; __u32 resv2[3]; - struct io_uring_probe_op ops[0]; + struct io_uring_probe_op ops[]; }; struct io_uring_restriction {