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authorSimon Horman <[email protected]>2024-10-11 10:20:00 +0100
committerPaolo Abeni <[email protected]>2024-10-15 13:59:26 +0200
commitde306f0051ae947680a13c13a9fd9373d7460bb1 (patch)
tree3f8230f94dc9e1b976a775b7475b4df32631e1cd
parentbb9df28e6fcda6a96860e7b77f3912ef50e06793 (diff)
net: gianfar: Use __be64 * to store pointers to big endian values
Timestamp values are read using pointers to 64-bit big endian values. But the type of these pointers is u64 *, host byte order. Use __be64 * instead. Flagged by Sparse: .../gianfar.c:2212:60: warning: cast to restricted __be64 .../gianfar.c:2475:53: warning: cast to restricted __be64 Introduced by commit cc772ab7cdca ("gianfar: Add hardware RX timestamping support"). Compile tested only. No functional change intended. Signed-off-by: Simon Horman <[email protected]> Reviewed-by: Claudiu Manoil <[email protected]> Link: https://patch.msgid.link/[email protected] Signed-off-by: Paolo Abeni <[email protected]>
-rw-r--r--drivers/net/ethernet/freescale/gianfar.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/net/ethernet/freescale/gianfar.c b/drivers/net/ethernet/freescale/gianfar.c
index 092db6995824..435138f4699d 100644
--- a/drivers/net/ethernet/freescale/gianfar.c
+++ b/drivers/net/ethernet/freescale/gianfar.c
@@ -2207,8 +2207,9 @@ static void gfar_clean_tx_ring(struct gfar_priv_tx_q *tx_queue)
if (unlikely(do_tstamp)) {
struct skb_shared_hwtstamps shhwtstamps;
- u64 *ns = (u64 *)(((uintptr_t)skb->data + 0x10) &
- ~0x7UL);
+ __be64 *ns;
+
+ ns = (__be64 *)(((uintptr_t)skb->data + 0x10) & ~0x7UL);
memset(&shhwtstamps, 0, sizeof(shhwtstamps));
shhwtstamps.hwtstamp = ns_to_ktime(be64_to_cpu(*ns));
@@ -2471,7 +2472,7 @@ static void gfar_process_frame(struct net_device *ndev, struct sk_buff *skb)
/* Get receive timestamp from the skb */
if (priv->hwts_rx_en) {
struct skb_shared_hwtstamps *shhwtstamps = skb_hwtstamps(skb);
- u64 *ns = (u64 *) skb->data;
+ __be64 *ns = (__be64 *)skb->data;
memset(shhwtstamps, 0, sizeof(*shhwtstamps));
shhwtstamps->hwtstamp = ns_to_ktime(be64_to_cpu(*ns));