[PATCH 5.3 139/166] rxrpc: Fix rxrpc_recvmsg tracepoint

Greg Kroah-Hartman
2019-10-06T17:45:07Z

From: David Howells <dhowells@redhat.com>

[ Upstream commit db9b2e0af605e7c994784527abfd9276cabd718a ]

Fix the rxrpc_recvmsg tracepoint to handle being called with a NULL call
parameter.

Fixes: a25e21f0bcd2 ("rxrpc, afs: Use debug_ids rather than pointers in traces")
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
include/trace/events/rxrpc.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

--- a/include/trace/events/rxrpc.h
+++ b/include/trace/events/rxrpc.h
@@ -1068,7 +1068,7 @@ TRACE_EVENT(rxrpc_recvmsg,
),

TP_fast_assign(
- __entry->call = call->debug_id;
+ __entry->call = call ? call->debug_id : 0;
__entry->why = why;
__entry->seq = seq;
__entry->offset = offset;