On Mon, Oct 26, 2020 at 05:14:35PM +0500, Muhammad Usama Anjum wrote:
> Use pointer notation instead of using array notation as info_element is
> a pointer not array.
>
> Warnings from sparse:
> drivers/staging/rtl8192u/ieee80211/ieee80211.h:1013:51: warning: array of flexible structures
> drivers/staging/rtl8192u/ieee80211/ieee80211.h:985:51: warning: array of flexible structures
> drivers/staging/rtl8192u/ieee80211/ieee80211.h:963:51: warning: array of flexible structures
> drivers/staging/rtl8192u/ieee80211/ieee80211.h:996:51: warning: array of flexible structures
> drivers/staging/rtl8192u/ieee80211/ieee80211.h:974:51: warning: array of flexible structures
>
> drivers/staging/rtl8192e/rtllib.h:832:48: warning: array of flexible structures
> drivers/staging/rtl8192e/rtllib.h:851:48: warning: array of flexible structures
> drivers/staging/rtl8192e/rtllib.h:805:48: warning: array of flexible structures
> drivers/staging/rtl8192e/rtllib.h:843:48: warning: array of flexible structures
> drivers/staging/rtl8192e/rtllib.h:821:48: warning: array of flexible structures
>
> Signed-off-by: Muhammad Usama Anjum <musamaanjum@xxxxxxxxx>
> ---
> drivers/staging/rtl8192e/rtllib.h | 10 +++++-----
> drivers/staging/rtl8192u/ieee80211/ieee80211.h | 12 ++++++------
> 2 files changed, 11 insertions(+), 11 deletions(-)
>
> diff --git a/drivers/staging/rtl8192e/rtllib.h b/drivers/staging/rtl8192e/rtllib.h
> index b84f00b8d18b..1dab9c3d08a8 100644
> --- a/drivers/staging/rtl8192e/rtllib.h
> +++ b/drivers/staging/rtl8192e/rtllib.h
> @@ -802,7 +802,7 @@ struct rtllib_authentication {
> __le16 transaction;
> __le16 status;
> /*challenge*/
> - struct rtllib_info_element info_element[];
> + struct rtllib_info_element *info_element;
> } __packed;
Are you sure these changes are correct? This isn't just a list of
structures after this at the end of the structure?
Please look at commit 5979afa2c4d1 ("staging: Replace zero-length array
with flexible-array member") which made most of these flexible arrays.
This is not a pointer, it really is an array, I think sparse is really
wrong here, be careful.
thanks,
greg k-h
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