ksmbd: fix credit count leakage

[platform/kernel/linux-rpi.git] / fs / smb / server / smb2pdu.c

diff --git a/fs/smb/server/smb2pdu.c b/fs/smb/server/smb2pdu.c
index 1632b2a..bec885c 100644 (file)
--- a/fs/smb/server/smb2pdu.c
+++ b/fs/smb/server/smb2pdu.c
@@ -326,13 +326,9 @@ int smb2_set_rsp_credits(struct ksmbd_work *work)
        if (hdr->Command == SMB2_NEGOTIATE)
                aux_max = 1;
        else
-               aux_max = conn->vals->max_credits - credit_charge;
+               aux_max = conn->vals->max_credits - conn->total_credits;
        credits_granted = min_t(unsigned short, credits_requested, aux_max);
 
-       if (conn->vals->max_credits - conn->total_credits < credits_granted)
-               credits_granted = conn->vals->max_credits -
-                       conn->total_credits;
-
        conn->total_credits += credits_granted;
        work->credits_granted += credits_granted;