From: Long Li <longli@microsoft.com>
Date: Wed, 16 Oct 2019 20:51:50 +0000 (-0700)
Subject: cifs: Don't display RDMA transport on reconnect
X-Git-Tag: v5.10.7~3781^2~36
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=14cc639c17ab0b6671526a7459087352507609e4;p=platform%2Fkernel%2Flinux-rpi.git

cifs: Don't display RDMA transport on reconnect

On reconnect, the transport data structure is NULL and its information is not
available.

Signed-off-by: Long Li <longli@microsoft.com>
Cc: stable@vger.kernel.org
Signed-off-by: Steve French <stfrench@microsoft.com>
---

diff --git a/fs/cifs/cifs_debug.c b/fs/cifs/cifs_debug.c
index 0b4eee3..efb2928 100644
--- a/fs/cifs/cifs_debug.c
+++ b/fs/cifs/cifs_debug.c
@@ -256,6 +256,11 @@ static int cifs_debug_data_proc_show(struct seq_file *m, void *v)
 		if (!server->rdma)
 			goto skip_rdma;
 
+		if (!server->smbd_conn) {
+			seq_printf(m, "\nSMBDirect transport not available");
+			goto skip_rdma;
+		}
+
 		seq_printf(m, "\nSMBDirect (in hex) protocol version: %x "
 			"transport status: %x",
 			server->smbd_conn->protocol,