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authorMichael S. Tsirkin <mst@redhat.com>2022-08-11 08:51:58 -0400
committerDavid S. Miller <davem@davemloft.net>2022-08-12 11:26:19 +0100
commit95bb633048fab742230eb2cdf20b8e2676240a54 (patch)
tree044dfa8c006ba118a5cf5ceaeb90078733891091
parentnet/sunrpc: fix potential memory leaks in rpc_sysfs_xprt_state_change() (diff)
downloadlinux-dev-95bb633048fab742230eb2cdf20b8e2676240a54.tar.xz
linux-dev-95bb633048fab742230eb2cdf20b8e2676240a54.zip
virtio_net: fix endian-ness for RSS
Using native endian-ness for device supplied fields is wrong on BE platforms. Sparse warns about this. Fixes: 91f41f01d219 ("drivers/net/virtio_net: Added RSS hash report.") Cc: "Andrew Melnychenko" <andrew@daynix.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--drivers/net/virtio_net.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c
index 3b3eebad3977..d4e0a775b1ba 100644
--- a/drivers/net/virtio_net.c
+++ b/drivers/net/virtio_net.c
@@ -1199,7 +1199,7 @@ static void virtio_skb_set_hash(const struct virtio_net_hdr_v1_hash *hdr_hash,
if (!hdr_hash || !skb)
return;
- switch ((int)hdr_hash->hash_report) {
+ switch (__le16_to_cpu(hdr_hash->hash_report)) {
case VIRTIO_NET_HASH_REPORT_TCPv4:
case VIRTIO_NET_HASH_REPORT_UDPv4:
case VIRTIO_NET_HASH_REPORT_TCPv6:
@@ -1217,7 +1217,7 @@ static void virtio_skb_set_hash(const struct virtio_net_hdr_v1_hash *hdr_hash,
default:
rss_hash_type = PKT_HASH_TYPE_NONE;
}
- skb_set_hash(skb, (unsigned int)hdr_hash->hash_value, rss_hash_type);
+ skb_set_hash(skb, __le32_to_cpu(hdr_hash->hash_value), rss_hash_type);
}
static void receive_buf(struct virtnet_info *vi, struct receive_queue *rq,