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Date: Mon, 1 Jun 2015 12:23:47 +0100 From: Wei Liu <wei.liu2@...rix.com> To: Ian Campbell <ian.campbell@...rix.com> CC: <xen-devel@...ts.xen.org>, <netdev@...r.kernel.org>, <wei.liu2@...rix.com> Subject: Re: [PATCH v2] xen: netback: fix printf format string warning On Mon, Jun 01, 2015 at 11:30:04AM +0100, Ian Campbell wrote: > drivers/net/xen-netback/netback.c: In function ‘xenvif_tx_build_gops’: > drivers/net/xen-netback/netback.c:1253:8: warning: format ‘%lu’ expects argument of type ‘long unsigned int’, but argument 5 has type ‘int’ [-Wformat=] > (txreq.offset&~PAGE_MASK) + txreq.size); > ^ > > PAGE_MASK's type can vary by arch, so a cast is needed. > > Signed-off-by: Ian Campbell <ian.campbell@...rix.com> Acked-by: Wei Liu <wei.liu2@...rix.com> > ---- > v2: Cast to unsigned long, since PAGE_MASK can vary by arch. > --- > drivers/net/xen-netback/netback.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/net/xen-netback/netback.c b/drivers/net/xen-netback/netback.c > index 4de46aa..0d25943 100644 > --- a/drivers/net/xen-netback/netback.c > +++ b/drivers/net/xen-netback/netback.c > @@ -1250,7 +1250,7 @@ static void xenvif_tx_build_gops(struct xenvif_queue *queue, > netdev_err(queue->vif->dev, > "txreq.offset: %x, size: %u, end: %lu\n", > txreq.offset, txreq.size, > - (txreq.offset&~PAGE_MASK) + txreq.size); > + (unsigned long)(txreq.offset&~PAGE_MASK) + txreq.size); > xenvif_fatal_tx_err(queue->vif); > break; > } > -- > 1.7.10.4 -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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