Commit 23d412a2 authored Jul 22, 2013 by Arend van Spriel Committed by John W. Linville Jul 22, 2013

brcmfmac: bail out of brcmf_txflowblock_if() for non-netdev interface



To avoid ending up in a NULL-pointer access, the function
brcmf_txflowblock_if() should only be called for interfaces
that have a netdev associated with it.

Reviewed-by: Hante Meuleman <meuleman@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

parent 28a905b5

drivers/net/wireless/brcm80211/brcmfmac/dhd_linux.c

+1 −1

Original line number	Original line	Diff line number	Diff line
	@@ -242,7 +242,7 @@ void brcmf_txflowblock_if(struct brcmf_if *ifp,
	{		{
	unsigned long flags;		unsigned long flags;

	if (!ifp)		if (!ifp \|\| !ifp->ndev)
	return;		return;

	brcmf_dbg(TRACE, "enter: idx=%d stop=0x%X reason=%d state=%d\n",		brcmf_dbg(TRACE, "enter: idx=%d stop=0x%X reason=%d state=%d\n",