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SubjectRe: [PATCH] staging: rtl8192u: fix large frame size compiler warning
On Wed, Dec 16, 2015 at 08:55:45PM +0000, Okash Khawaja wrote:
> Compiling drivers/staging/rtl8192u/ gives following compiler warning:
>
> drivers/staging/rtl8192u/ieee80211/ieee80211_rx.c: In function
> ‘RxReorderIndicatePacket’:
> drivers/staging/rtl8192u/ieee80211/ieee80211_rx.c:758:1: warning: the
> frame size of 1064 bytes is larger than 1024 bytes
> [-Wframe-larger-than=]
>
> This patch fixes it by replacing the statically allocated array
> `prxbIndicateArray` with kmalloc'd one.
>
> Signed-off-by: Okash Khawaja <okash.khawaja@gmail.com>
> ---
> drivers/staging/rtl8192u/ieee80211/ieee80211_rx.c | 12 +++++++++++-
> 1 file changed, 11 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/staging/rtl8192u/ieee80211/ieee80211_rx.c b/drivers/staging/rtl8192u/ieee80211/ieee80211_rx.c
> index 130c852..d89e99a 100644
> --- a/drivers/staging/rtl8192u/ieee80211/ieee80211_rx.c
> +++ b/drivers/staging/rtl8192u/ieee80211/ieee80211_rx.c
> @@ -594,12 +594,22 @@ static void RxReorderIndicatePacket(struct ieee80211_device *ieee,
> {
> PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo;
> PRX_REORDER_ENTRY pReorderEntry = NULL;
> - struct ieee80211_rxb *prxbIndicateArray[REORDER_WIN_SIZE];
> + struct ieee80211_rxb **prxbIndicateArray;
> u8 WinSize = pHTInfo->RxReorderWinSize;
> u16 WinEnd = (pTS->RxIndicateSeq + WinSize -1)%4096;
> u8 index = 0;
> bool bMatchWinStart = false, bPktInBuf = false;
> IEEE80211_DEBUG(IEEE80211_DL_REORDER,"%s(): Seq is %d,pTS->RxIndicateSeq is %d, WinSize is %d\n",__func__,SeqNum,pTS->RxIndicateSeq,WinSize);
> +
> + prxbIndicateArray = kmalloc(sizeof(struct ieee80211_rxb *) *
> + REORDER_WIN_SIZE, GFP_KERNEL);
> + if (!prxbIndicateArray) {
> + IEEE80211_DEBUG(IEEE80211_DL_ERR,
> + "%s(): kmalloc prxbIndicateArray error\n",
> + __func__);
> + return;
> + }
> +
> /* Rx Reorder initialize condition.*/
> if (pTS->RxIndicateSeq == 0xffff) {
> pTS->RxIndicateSeq = SeqNum;
> --
> 2.5.2
>

This doesn't free the kmalloc'd array. Please ignore this. I'll send
another version of this patch.

Thanks


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