diff options
| -rw-r--r-- | fs/ksmbd/connection.c | 1 | ||||
| -rw-r--r-- | fs/ksmbd/connection.h | 3 | ||||
| -rw-r--r-- | fs/ksmbd/smb2misc.c | 9 | ||||
| -rw-r--r-- | fs/ksmbd/smb2pdu.c | 1 |
4 files changed, 13 insertions, 1 deletions
diff --git a/fs/ksmbd/connection.c b/fs/ksmbd/connection.c index 83a94d0bb480..d1d0105be5b1 100644 --- a/fs/ksmbd/connection.c +++ b/fs/ksmbd/connection.c @@ -62,6 +62,7 @@ struct ksmbd_conn *ksmbd_conn_alloc(void) atomic_set(&conn->req_running, 0); atomic_set(&conn->r_count, 0); conn->total_credits = 1; + conn->outstanding_credits = 1; init_waitqueue_head(&conn->req_running_q); INIT_LIST_HEAD(&conn->conns_list); diff --git a/fs/ksmbd/connection.h b/fs/ksmbd/connection.h index 42ffb6d9c5d8..7e0730a262da 100644 --- a/fs/ksmbd/connection.h +++ b/fs/ksmbd/connection.h @@ -61,7 +61,8 @@ struct ksmbd_conn { atomic_t req_running; /* References which are made for this Server object*/ atomic_t r_count; - unsigned short total_credits; + unsigned int total_credits; + unsigned int outstanding_credits; spinlock_t credits_lock; wait_queue_head_t req_running_q; /* Lock to protect requests list*/ diff --git a/fs/ksmbd/smb2misc.c b/fs/ksmbd/smb2misc.c index fedcb753c7af..4a9460153b59 100644 --- a/fs/ksmbd/smb2misc.c +++ b/fs/ksmbd/smb2misc.c @@ -337,7 +337,16 @@ static int smb2_validate_credit_charge(struct ksmbd_conn *conn, credit_charge, conn->total_credits); ret = 1; } + + if ((u64)conn->outstanding_credits + credit_charge > conn->vals->max_credits) { + ksmbd_debug(SMB, "Limits exceeding the maximum allowable outstanding requests, given : %u, pending : %u\n", + credit_charge, conn->outstanding_credits); + ret = 1; + } else + conn->outstanding_credits += credit_charge; + spin_unlock(&conn->credits_lock); + return ret; } diff --git a/fs/ksmbd/smb2pdu.c b/fs/ksmbd/smb2pdu.c index 706191f5e475..867ed982f729 100644 --- a/fs/ksmbd/smb2pdu.c +++ b/fs/ksmbd/smb2pdu.c @@ -322,6 +322,7 @@ int smb2_set_rsp_credits(struct ksmbd_work *work) } conn->total_credits -= credit_charge; + conn->outstanding_credits -= credit_charge; credits_requested = max_t(unsigned short, le16_to_cpu(req_hdr->CreditRequest), 1); |