net/bnx2x: fix to disable further interrupts

Fix to disable further fastpath/slowpath interrupts. These will be
enabled again by their respective handlers

Fixes: 540a211084a7 ("bnx2x: driver core")
Cc: stable@dpdk.org
Signed-off-by: Rasesh Mody <rasesh.mody@cavium.com>

diff --git a/drivers/net/bnx2x/bnx2x.c b/drivers/net/bnx2x/bnx2x.c
index 93f8586..0225bea 100644 (file)
--- a/drivers/net/bnx2x/bnx2x.c
+++ b/drivers/net/bnx2x/bnx2x.c
@@ -4553,12 +4553,18 @@ int bnx2x_intr_legacy(struct bnx2x_softc *sc, int scan_fp)
                fp = &sc->fp[i];
                mask = (0x2 << (fp->index + CNIC_SUPPORT(sc)));
                if (status & mask) {
+               /* acknowledge and disable further fastpath interrupts */
+                       bnx2x_ack_sb(sc, fp->igu_sb_id, USTORM_ID,
+                                    0, IGU_INT_DISABLE, 0);
                        bnx2x_handle_fp_tq(fp, scan_fp);
                        status &= ~mask;
                }
        }
 
        if (unlikely(status & 0x1)) {
+               /* acknowledge and disable further slowpath interrupts */
+               bnx2x_ack_sb(sc, sc->igu_dsb_id, USTORM_ID,
+                            0, IGU_INT_DISABLE, 0);
                rc = bnx2x_handle_sp_tq(sc);
                status &= ~0x1;
        }