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cxgb4: use unaligned conversion for fetching timestamp

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[ 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: a456950445 ("cxgb4: time stamping interface for PTP")
Signed-off-by: Rahul Lakkireddy <rahul.lakkireddy@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Rahul Lakkireddy 2020-06-24 01:51:33 +05:30 • committed by Greg Kroah-Hartman
commit 0dc4dd433b
1 changed files with 1 additions and 1 deletions
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2
drivers/net/ethernet/chelsio/cxgb4/sge.c
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@ -2816,7 +2816,7 @@ 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;
}