Re: CVS commit: src/sys/dev/pci

[maya%NetBSD.org@localhost]

> Modified files:
> 
> Index: src/sys/dev/pci/if_mcx.c
> diff -u src/sys/dev/pci/if_mcx.c:1.5 src/sys/dev/pci/if_mcx.c:1.6
> --- src/sys/dev/pci/if_mcx.c:1.5	Thu Oct 17 15:57:56 2019
> +++ src/sys/dev/pci/if_mcx.c	Mon Nov 18 04:40:05 2019
> @@ -1,4 +1,4 @@
> -/*	$NetBSD: if_mcx.c,v 1.5 2019/10/17 15:57:56 msaitoh Exp $ */
> +/*	$NetBSD: if_mcx.c,v 1.6 2019/11/18 04:40:05 nonaka Exp $ */
>  /*	$OpenBSD: if_mcx.c,v 1.33 2019/09/12 04:23:59 jmatthew Exp $ */
>  
>  /*
> @@ -6347,7 +6347,7 @@ mcx_load_mbuf(struct mcx_softc *sc, stru
>  		break;
>  
>  	case EFBIG:
> -		if (m_defrag(m, M_DONTWAIT) == 0 &&
> +		if (m_defrag(m, M_DONTWAIT) != NULL &&
>  		    bus_dmamap_load_mbuf(sc->sc_dmat, ms->ms_map, m,
>  		    BUS_DMA_STREAMING | BUS_DMA_NOWAIT) == 0)
>  			break;
> 

Is this one of those "m_defrag misbehaves because it will not turn it
into a chain of 1 packet, but 2"?

(I think this will not work)