IB/qib: Remove s_lock around header validation

[platform/adaptation/renesas_rcar/renesas_kernel.git] / drivers / infiniband / hw / qib / qib_uc.c

diff --git a/drivers/infiniband/hw/qib/qib_uc.c b/drivers/infiniband/hw/qib/qib_uc.c
index 9a4630f..847e7af 100644 (file)
--- a/drivers/infiniband/hw/qib/qib_uc.c
+++ b/drivers/infiniband/hw/qib/qib_uc.c
@@ -243,7 +243,6 @@ void qib_uc_rcv(struct qib_ibport *ibp, struct qib_ib_header *hdr,
                int has_grh, void *data, u32 tlen, struct qib_qp *qp)
 {
        struct qib_other_headers *ohdr;
-       unsigned long flags;
        u32 opcode;
        u32 hdrsize;
        u32 psn;
@@ -263,10 +262,8 @@ void qib_uc_rcv(struct qib_ibport *ibp, struct qib_ib_header *hdr,
        }
 
        opcode = be32_to_cpu(ohdr->bth[0]);
-       spin_lock_irqsave(&qp->s_lock, flags);
        if (qib_ruc_check_hdr(ibp, hdr, has_grh, qp, opcode))
-               goto sunlock;
-       spin_unlock_irqrestore(&qp->s_lock, flags);
+               return;
 
        psn = be32_to_cpu(ohdr->bth[2]);
        opcode >>= 24;
@@ -554,6 +551,4 @@ op_err:
        qib_rc_error(qp, IB_WC_LOC_QP_OP_ERR);
        return;
 
-sunlock:
-       spin_unlock_irqrestore(&qp->s_lock, flags);
 }