From 638232fa97978d2c2c3331560346402797e08fb4 Mon Sep 17 00:00:00 2001 From: Rahul Lakkireddy Date: Wed, 24 Jun 2020 01:51:33 +0530 Subject: [PATCH] cxgb4: use unaligned conversion for fetching timestamp [ Upstream commit 589b1c9c166dce120e27b32a83a78f55464a7ef9 ] Use get_unaligned_be64() to fetch the timestamp needed for ns_to_ktime() conversion. Fixes following sparse warning: sge.c:3282:43: warning: cast to restricted __be64 Fixes: a456950445a0 ("cxgb4: time stamping interface for PTP") Signed-off-by: Rahul Lakkireddy Signed-off-by: David S. Miller Signed-off-by: Sasha Levin --- drivers/net/ethernet/chelsio/cxgb4/sge.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/ethernet/chelsio/cxgb4/sge.c b/drivers/net/ethernet/chelsio/cxgb4/sge.c index 6807bc3a44fb..3d4a765e9e61 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/sge.c +++ b/drivers/net/ethernet/chelsio/cxgb4/sge.c @@ -2742,7 +2742,7 @@ static noinline int t4_systim_to_hwstamp(struct adapter *adapter, hwtstamps = skb_hwtstamps(skb); memset(hwtstamps, 0, sizeof(*hwtstamps)); - hwtstamps->hwtstamp = ns_to_ktime(be64_to_cpu(*((u64 *)data))); + hwtstamps->hwtstamp = ns_to_ktime(get_unaligned_be64(data)); return RX_PTP_PKT_SUC; }