Date: Thu, 1 Feb 2007 17:43:35 GMT From: Robert Watson <rwatson@FreeBSD.org> To: Perforce Change Reviews <perforce@freebsd.org> Subject: PERFORCE change 113849 for review Message-ID: <200702011743.l11HhZ8A081736@repoman.freebsd.org>
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http://perforce.freebsd.org/chv.cgi?CH=113849 Change 113849 by rwatson@rwatson_cinnamon on 2007/02/01 17:42:38 Assign length field of header before bumping generation number, as the generation bump is the handoff and we don't want to be updating any fields in the buffer after that. Affected files ... .. //depot/projects/zcopybpf/src/sys/net/bpf_zerocopy.c#9 edit Differences ... ==== //depot/projects/zcopybpf/src/sys/net/bpf_zerocopy.c#9 (text+ko) ==== @@ -372,8 +372,8 @@ zb = (struct zbuf *)d->bd_hbuf; KASSERT(zb != NULL, ("bpf_zerocopy_bufheld: zb == NULL")); + zb->zb_header->bzh_kernel_len = d->bd_hlen; zb->zb_header->bzh_kernel_gen++; - zb->zb_header->bzh_kernel_len = d->bd_hlen; } /*
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