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>
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@ -242,7 +242,7 @@ void brcmf_txflowblock_if(struct brcmf_if *ifp,
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{
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unsigned long flags;
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if (!ifp)
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if (!ifp || !ifp->ndev)
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return;
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brcmf_dbg(TRACE, "enter: idx=%d stop=0x%X reason=%d state=%d\n",
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