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path: root/fs/smb/client/smb2pdu.c
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Diffstat (limited to 'fs/smb/client/smb2pdu.c')
-rw-r--r--fs/smb/client/smb2pdu.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/fs/smb/client/smb2pdu.c b/fs/smb/client/smb2pdu.c
index a457f07f820d..9c7e46b7e7c7 100644
--- a/fs/smb/client/smb2pdu.c
+++ b/fs/smb/client/smb2pdu.c
@@ -88,9 +88,20 @@ smb2_hdr_assemble(struct smb2_hdr *shdr, __le16 smb2_cmd,
const struct cifs_tcon *tcon,
struct TCP_Server_Info *server)
{
+ struct smb3_hdr_req *smb3_hdr;
shdr->ProtocolId = SMB2_PROTO_NUMBER;
shdr->StructureSize = cpu_to_le16(64);
shdr->Command = smb2_cmd;
+ if (server->dialect >= SMB30_PROT_ID) {
+ /* After reconnect SMB3 must set ChannelSequence on subsequent reqs */
+ smb3_hdr = (struct smb3_hdr_req *)shdr;
+ /* if primary channel is not set yet, use default channel for chan sequence num */
+ if (CIFS_SERVER_IS_CHAN(server))
+ smb3_hdr->ChannelSequence =
+ cpu_to_le16(server->primary_server->channel_sequence_num);
+ else
+ smb3_hdr->ChannelSequence = cpu_to_le16(server->channel_sequence_num);
+ }
if (server) {
spin_lock(&server->req_lock);
/* Request up to 10 credits but don't go over the limit. */