The patch below does not apply to the 4.19-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to stable@vger.kernel.org.
thanks,
greg k-h
------------------ original commit in Linus's tree ------------------
From acd4680e2bef2405a0e1ef2149fbb01cce7e116c Mon Sep 17 00:00:00 2001
From: Long Li longli@microsoft.com Date: Wed, 16 Oct 2019 13:51:54 -0700 Subject: [PATCH] cifs: smbd: Return -ECONNABORTED when trasnport is not in connected state
The transport should return this error so the upper layer will reconnect.
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/smbdirect.c b/fs/cifs/smbdirect.c index 5462cf752432..d91f2f60e2df 100644 --- a/fs/cifs/smbdirect.c +++ b/fs/cifs/smbdirect.c @@ -1972,7 +1972,7 @@ static int smbd_recv_buf(struct smbd_connection *info, char *buf,
if (info->transport_status != SMBD_CONNECTED) { log_read(ERR, "disconnected\n"); - return 0; + return -ECONNABORTED; }
goto again;