Commit 535f2e7d authored by Rickard Strandqvist's avatar Rickard Strandqvist Committed by Greg Kroah-Hartman
Browse files

staging: rtl8192u: r8192U_core: Fix driver_info dereference as a null pointer 



Fix possible use of use of driver_info as a null pointer in
query_rxdesc_status()
This could happen if stats->RxIs40MHzPacket still has the
default value of zero.

Signed-off-by: default avatarRickard Strandqvist <rickard_strandqvist@spectrumdigital.se>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 1b08872e

drivers/staging/rtl8192u/r8192U_core.c

+3 −6
Original line number Diff line number Diff line
@@ -4476,13 +4476,10 @@ static void query_rxdesc_status(struct sk_buff *skb, 
		skb_pull(skb, stats->RxBufShift + stats->RxDrvInfoSize);

	}



	/* for debug 2008.5.29 */



	//added by vivi, for MP, 20080108

	if (driver_info) {

		stats->RxIs40MHzPacket = driver_info->BW;

	if (stats->RxDrvInfoSize != 0)

		TranslateRxSignalStuff819xUsb(skb, stats, driver_info);



	}

}



static void rtl8192_rx_nomal(struct sk_buff *skb)