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-rw-r--r--fs/cifs/smb2ops.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/fs/cifs/smb2ops.c b/fs/cifs/smb2ops.c
index 89985a0a6819..831fa60ef886 100644
--- a/fs/cifs/smb2ops.c
+++ b/fs/cifs/smb2ops.c
@@ -74,6 +74,12 @@ smb2_add_credits(struct TCP_Server_Info *server, const unsigned int add,
int *val, rc = 0;
spin_lock(&server->req_lock);
val = server->ops->get_credits_field(server, optype);
+
+ /* eg found case where write overlapping reconnect messed up credits */
+ if (((optype & CIFS_OP_MASK) == CIFS_NEG_OP) && (*val != 0))
+ trace_smb3_reconnect_with_invalid_credits(server->CurrentMid,
+ server->hostname, *val);
+
*val += add;
if (*val > 65000) {
*val = 65000; /* Don't get near 64K credits, avoid srv bugs */