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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>
This commit is contained in:
Arend van Spriel 2013-07-22 12:46:24 +02:00 committed by John W. Linville
parent 28a905b51c
commit 23d412a2e9
1 changed files with 1 additions and 1 deletions
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2
drivers/net/wireless/brcm80211/brcmfmac/dhd_linux.c
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@ -242,7 +242,7 @@ void brcmf_txflowblock_if(struct brcmf_if *ifp,
{
unsigned long flags;
if (!ifp)
if (!ifp || !ifp->ndev)
return;
brcmf_dbg(TRACE, "enter: idx=%d stop=0x%X reason=%d state=%d\n",