diff options
| author | Dan Carpenter <dan.carpenter@oracle.com> | 2015-07-12 01:20:55 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2015-07-14 15:40:52 -0700 |
| commit | 50c2e4dd6749725338621fff456b26d3a592259f (patch) | |
| tree | 10688602499cf59e79811ee41c8ceea0a9910b12 | |
| parent | f760b87f8f12eb262f14603e65042996fe03720e (diff) | |
net/xen-netback: off by one in BUG_ON() condition
The > should be >=. I also added spaces around the '-' operations so
the code is a little more consistent and matches the condition better.
Fixes: f53c3fe8dad7 ('xen-netback: Introduce TX grant mapping')
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | drivers/net/xen-netback/netback.c | 6 |
1 files changed, 3 insertions, 3 deletions
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), |