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Commit 72eec92a authored by Paul Durrant's avatar Paul Durrant Committed by David S. Miller
Browse files

xen-netback: fix extra_info handling in xenvif_tx_err() 



Patch 562abd39 "xen-netback: support multiple extra info fragments
passed from frontend" contained a mistake which can result in an in-
correct number of responses being generated when handling errors
encountered when processing packets containing extra info fragments.
This patch fixes the problem.

Signed-off-by: default avatarPaul Durrant <paul.durrant@citrix.com>
Reported-by: default avatarJan Beulich <JBeulich@suse.com>
Cc: Wei Liu <wei.liu2@citrix.com>
Acked-by: default avatarWei Liu <wei.liu2@citrix.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 2073dbad

drivers/net/xen-netback/netback.c

+1 −0
Original line number Diff line number Diff line
@@ -711,6 +711,7 @@ static void xenvif_tx_err(struct xenvif_queue *queue, 
		if (cons == end)

			break;

		RING_COPY_REQUEST(&queue->tx, cons++, txp);

		extra_count = 0; /* only the first frag can have extras */

	} while (1);

	queue->tx.req_cons = cons;

}