[PATCH AUTOSEL 6.6 08/32] ksmbd: move setting SMB2_FLAGS_ASYNC_COMMAND and AsyncId

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From: Namjae Jeon <linkinjeon@xxxxxxxxxx>

[ Upstream commit 9ac45ac7cf65b0623ceeab9b28b307a08efa22dc ]

Directly set SMB2_FLAGS_ASYNC_COMMAND flags and AsyncId in smb2 header of
interim response instead of current response header.

Signed-off-by: Namjae Jeon <linkinjeon@xxxxxxxxxx>
Signed-off-by: Steve French <stfrench@xxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
 fs/smb/server/smb2pdu.c | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/fs/smb/server/smb2pdu.c b/fs/smb/server/smb2pdu.c
index a85f3cc7c181f..7eaac1098f637 100644
--- a/fs/smb/server/smb2pdu.c
+++ b/fs/smb/server/smb2pdu.c
@@ -657,13 +657,9 @@ smb2_get_name(const char *src, const int maxlen, struct nls_table *local_nls)
 
 int setup_async_work(struct ksmbd_work *work, void (*fn)(void **), void **arg)
 {
-	struct smb2_hdr *rsp_hdr;
 	struct ksmbd_conn *conn = work->conn;
 	int id;
 
-	rsp_hdr = ksmbd_resp_buf_next(work);
-	rsp_hdr->Flags |= SMB2_FLAGS_ASYNC_COMMAND;
-
 	id = ksmbd_acquire_async_msg_id(&conn->async_ida);
 	if (id < 0) {
 		pr_err("Failed to alloc async message id\n");
@@ -671,7 +667,6 @@ int setup_async_work(struct ksmbd_work *work, void (*fn)(void **), void **arg)
 	}
 	work->asynchronous = true;
 	work->async_id = id;
-	rsp_hdr->Id.AsyncId = cpu_to_le64(id);
 
 	ksmbd_debug(SMB,
 		    "Send interim Response to inform async request id : %d\n",
@@ -723,6 +718,8 @@ void smb2_send_interim_resp(struct ksmbd_work *work, __le32 status)
 	       __SMB2_HEADER_STRUCTURE_SIZE);
 
 	rsp_hdr = smb2_get_msg(in_work->response_buf);
+	rsp_hdr->Flags |= SMB2_FLAGS_ASYNC_COMMAND;
+	rsp_hdr->Id.AsyncId = cpu_to_le64(work->async_id);
 	smb2_set_err_rsp(in_work);
 	rsp_hdr->Status = status;
 
-- 
2.42.0





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