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Subject: RE: [PATCH] dmadev: replace zero length array
Date: Thu, 16 Oct 2025 11:47:46 +0200
Message-ID: <98CBD80474FA8B44BF855DF32C47DC35F654D4@smartserver.smartshare.dk>
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Thread-Topic: [PATCH] dmadev: replace zero length array
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References: <20251015185946.338417-1-stephen@networkplumber.org>
 <aPCpiEAYt6YM4-Ai@bricha3-mobl1.ger.corp.intel.com>
From: =?iso-8859-1?Q?Morten_Br=F8rup?= <mb@smartsharesystems.com>
To: "Bruce Richardson" <bruce.richardson@intel.com>,
 "Stephen Hemminger" <stephen@networkplumber.org>
Cc: <dev@dpdk.org>, <pbhagavatula@marvell.com>,
 "Chengwen Feng" <fengchengwen@huawei.com>,
 "Kevin Laatz" <kevin.laatz@intel.com>
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> From: Bruce Richardson [mailto:bruce.richardson@intel.com]
> Sent: Thursday, 16 October 2025 10.15
>=20
> On Wed, Oct 15, 2025 at 11:59:46AM -0700, Stephen Hemminger wrote:
> > Use of zero length arrays is Gcc extension.
> > Found by zero_length_array.cocci.
> >
> > Fixes: 9674119fbf27 ("dmadev: add enqueue/dequeue operations")
> > Cc: pbhagavatula@marvell.com
> > Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
> > ---
> >  lib/dmadev/rte_dmadev.h | 2 +-
> >  1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/lib/dmadev/rte_dmadev.h b/lib/dmadev/rte_dmadev.h
> > index 30e168825e..8ae9ee031b 100644
> > --- a/lib/dmadev/rte_dmadev.h
> > +++ b/lib/dmadev/rte_dmadev.h
> > @@ -856,7 +856,7 @@ struct rte_dma_op {
> >  	/** Number of destination segments. */
> >  	uint16_t nb_dst;
> >  	/** Source and destination segments. */
> > -	struct rte_dma_sge src_dst_seg[0];
> > +	struct rte_dma_sge src_dst_seg[];
> >  };
> >
> Acked-by: Bruce Richardson <bruce.richardson@intel.com>
Acked-by: Morten Br=F8rup <mb@smartsharesystems.com>