4.9-stable review patch. If anyone has any objections, please let me know.
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From: Quan Nguyen qnguyen@apm.com
[ Upstream commit 11623fce0f9afef30c45e3f2120b063de3809a8f ]
This patch fixes the wrong logical OR operation by changing it to bit-wise OR operation.
Fixes: 3bb502f83080 ("drivers: net: xgene: fix statistics counters race condition") Signed-off-by: Iyappan Subramanian isubramanian@apm.com Signed-off-by: Quan Nguyen qnguyen@apm.com Signed-off-by: David S. Miller davem@davemloft.net Signed-off-by: Sasha Levin alexander.levin@microsoft.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/net/ethernet/apm/xgene/xgene_enet_main.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
--- a/drivers/net/ethernet/apm/xgene/xgene_enet_main.c +++ b/drivers/net/ethernet/apm/xgene/xgene_enet_main.c @@ -537,9 +537,9 @@ static int xgene_enet_rx_frame(struct xg buf_pool->rx_skb[skb_index] = NULL;
/* checking for error */ - status = (GET_VAL(ELERR, le64_to_cpu(raw_desc->m0)) << LERR_LEN) || + status = (GET_VAL(ELERR, le64_to_cpu(raw_desc->m0)) << LERR_LEN) | GET_VAL(LERR, le64_to_cpu(raw_desc->m0)); - if (unlikely(status > 2)) { + if (unlikely(status)) { dev_kfree_skb_any(skb); xgene_enet_parse_error(rx_ring, netdev_priv(rx_ring->ndev), status);