Commit bea6af54 authored by Martin Kaiser's avatar Martin Kaiser Committed by Greg Kroah-Hartman
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staging: r8188eu: the frame type is shifted out 



The index calculation in mgt_dispatcher does not use the frame type. The
4-bit right shift ignores protocol version and frame type.

Signed-off-by: default avatarMartin Kaiser <martin@kaiser.cx>
Link: https://lore.kernel.org/r/20220417102221.466524-4-martin@kaiser.cx


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent bd379a21

drivers/staging/r8188eu/core/rtw_mlme_ext.c

+1 −2
Original line number Diff line number Diff line
@@ -408,8 +408,7 @@ void mgt_dispatcher(struct adapter *padapter, struct recv_frame *precv_frame) 


	ptable = mlme_sta_tbl;



	index = (le16_to_cpu(hdr->frame_control) &

		 (IEEE80211_FCTL_STYPE | IEEE80211_FCTL_FTYPE)) >> 4;

	index = (le16_to_cpu(hdr->frame_control) & IEEE80211_FCTL_STYPE) >> 4;

	if (index > 13)

		return;

	ptable += index;