[PATCH] net/mlx5: fix the building with flexible array

[Thomas Monjalon]

31/10/2022 19:24, Bing Zhao:
> With some higher GCC/CLANG version, it is not recommended to use a
> structure with a tailing flexible array inside another structure.
> Accessing this array may be considered as a risk to corrupt the
> following field even if it is by intention.
> 
> The error below was observed:
> 
>   drivers/net/mlx5/linux/mlx5_ethdev_os.c: In function 'mlx5_get_flag_dropless_rq':
>   drivers/net/mlx5/linux/mlx5_ethdev_os.c:1679:42: error: invalid use of structure with flexible array member [-Werror=pedantic]
>   1679 | struct ethtool_sset_info hdr;
>        | ^~~
> 
> Changing it to memory dynamic allocation method will help to get
> rid of this complain.
> 
> Fixes: e848218741ea ("net/mlx5: check delay drop settings in kernel driver")
> Cc: stable at dpdk.org
> 
> Signed-off-by: Bing Zhao <bingz at nvidia.com>

Acked-by: Thomas Monjalon <thomas at monjalon.net>

Applied, thanks.
For an unknown reason, our GitHub CI started to fail on Sunday
with Fedora 35. Looks like an update was done in Fedora 35.
Now it is fixed!