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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2020-09-14 10:10:55 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2020-09-14 10:10:55 +0200
commitfccee0baced04636952cd580ddee4bb8cbb9544c (patch)
tree80e25c0e100246357bd0c0a93feb1bf2e5e5bd1d /net/rxrpc/peer_object.c
parentusb: typec: intel_pmc_mux: Support for device role (UFP) (diff)
parentLinux 5.9-rc5 (diff)
downloadwireguard-linux-fccee0baced04636952cd580ddee4bb8cbb9544c.tar.xz
wireguard-linux-fccee0baced04636952cd580ddee4bb8cbb9544c.zip
Merge 5.9-rc5 into usb-next
We need the USB fixes in here as well. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'net/rxrpc/peer_object.c')
-rw-r--r--net/rxrpc/peer_object.c16
1 files changed, 13 insertions, 3 deletions
diff --git a/net/rxrpc/peer_object.c b/net/rxrpc/peer_object.c
index ca29976bb193..68396d052052 100644
--- a/net/rxrpc/peer_object.c
+++ b/net/rxrpc/peer_object.c
@@ -502,11 +502,21 @@ EXPORT_SYMBOL(rxrpc_kernel_get_peer);
* rxrpc_kernel_get_srtt - Get a call's peer smoothed RTT
* @sock: The socket on which the call is in progress.
* @call: The call to query
+ * @_srtt: Where to store the SRTT value.
*
- * Get the call's peer smoothed RTT.
+ * Get the call's peer smoothed RTT in uS.
*/
-u32 rxrpc_kernel_get_srtt(struct socket *sock, struct rxrpc_call *call)
+bool rxrpc_kernel_get_srtt(struct socket *sock, struct rxrpc_call *call,
+ u32 *_srtt)
{
- return call->peer->srtt_us >> 3;
+ struct rxrpc_peer *peer = call->peer;
+
+ if (peer->rtt_count == 0) {
+ *_srtt = 1000000; /* 1S */
+ return false;
+ }
+
+ *_srtt = call->peer->srtt_us >> 3;
+ return true;
}
EXPORT_SYMBOL(rxrpc_kernel_get_srtt);