Johannes Berg <johannes@xxxxxxxxxxxxxxxx> writes:
> From: Johannes Berg <johannes.berg@xxxxxxxxx>
>
> There are a number of these here, fix them by using
> appropriate casts. No binary changes.
>
> Signed-off-by: Johannes Berg <johannes.berg@xxxxxxxxx>
> ---
> drivers/net/wireless/intel/ipw2x00/libipw.h | 13 ++++++-------
> drivers/net/wireless/intel/ipw2x00/libipw_rx.c | 10 +++++-----
> 2 files changed, 11 insertions(+), 12 deletions(-)
>
> diff --git a/drivers/net/wireless/intel/ipw2x00/libipw.h b/drivers/net/wireless/intel/ipw2x00/libipw.h
> index 7964ef7d15f0..bec7bc273748 100644
> --- a/drivers/net/wireless/intel/ipw2x00/libipw.h
> +++ b/drivers/net/wireless/intel/ipw2x00/libipw.h
> @@ -405,7 +405,7 @@ struct libipw_auth {
> __le16 transaction;
> __le16 status;
> /* challenge */
> - struct libipw_info_element info_element[];
> + u8 variable[];
Why u8 is better?
> --- a/drivers/net/wireless/intel/ipw2x00/libipw_rx.c
> +++ b/drivers/net/wireless/intel/ipw2x00/libipw_rx.c
> @@ -1329,8 +1329,8 @@ static int libipw_handle_assoc_resp(struct libipw_device *ieee, struct libipw_as
> network->wpa_ie_len = 0;
> network->rsn_ie_len = 0;
>
> - if (libipw_parse_info_param
> - (frame->info_element, stats->len - sizeof(*frame), network))
> + if (libipw_parse_info_param((void *)frame->variable,
> + stats->len - sizeof(*frame), network))
To me this look worse as we need to add an extra cast, and casts are
always problematic.
--
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https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches
