X-Git-Url: http://git.cascardo.info/?a=blobdiff_plain;f=drivers%2Fnet%2Fxen-netback%2Fnetback.c;h=7d50711476fe1e88debca95beb790d770261f036;hb=763e326c8bcded22460fb25def2ed0e2459dcc8d;hp=880d0d63e872e5725d76fe998db0282c749f45d6;hpb=2d28b633c3fa8f53b919a5de86eb1c8e78dde818;p=cascardo%2Flinux.git

diff --git a/drivers/net/xen-netback/netback.c b/drivers/net/xen-netback/netback.c
index 880d0d63e872..7d50711476fe 100644
--- a/drivers/net/xen-netback/netback.c
+++ b/drivers/net/xen-netback/netback.c
@@ -1566,13 +1566,13 @@ static inline void xenvif_tx_dealloc_action(struct xenvif_queue *queue)
 		smp_rmb();
 
 		while (dc != dp) {
-			BUG_ON(gop - queue->tx_unmap_ops > MAX_PENDING_REQS);
+			BUG_ON(gop - queue->tx_unmap_ops >= MAX_PENDING_REQS);
 			pending_idx =
 				queue->dealloc_ring[pending_index(dc++)];
 
-			pending_idx_release[gop-queue->tx_unmap_ops] =
+			pending_idx_release[gop - queue->tx_unmap_ops] =
 				pending_idx;
-			queue->pages_to_unmap[gop-queue->tx_unmap_ops] =
+			queue->pages_to_unmap[gop - queue->tx_unmap_ops] =
 				queue->mmap_pages[pending_idx];
 			gnttab_set_unmap_op(gop,
 					    idx_to_kaddr(queue, pending_idx),