Re: [PATCH][next] uapi: target: Replace fake flex-array with flexible-array member

Martin K. Petersen
2023-04-03T02:15:30Z

On Fri, 17 Mar 2023 10:59:48 -0600, Gustavo A. R. Silva wrote:

> Zero-length arrays as fake flexible arrays are deprecated and we are
> moving towards adopting C99 flexible-array members instead.
>
> Address the following warning found with GCC-13 and
> -fstrict-flex-arrays=3 enabled:
> CC drivers/target/target_core_user.o
> drivers/target/target_core_user.c: In function ‘queue_cmd_ring’:
> drivers/target/target_core_user.c:1096:15: warning: array subscript 0 is outside array bounds of ‘struct iovec[0]’ [-Warray-bounds=]
> 1096 | iov = &entry->req.iov[0];
> | ^~~~~~~~~~~~~~~~~~
> In file included from drivers/target/target_core_user.c:31:
> ./include/uapi/linux/target_core_user.h:122:38: note: while referencing ‘iov’
> 122 | struct iovec iov[0];
> | ^~~
>
> [...]

Applied to 6.4/scsi-queue, thanks!

[1/1] uapi: target: Replace fake flex-array with flexible-array member
https://git.kernel.org/mkp/scsi/c/5c8c74ef20e7

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Martin K. Petersen Oracle Linux Engineering