return -1 from the interrupt handler if we didn't find any work to do

diff --git a/sys/dev/pci/if_bnxt.c b/sys/dev/pci/if_bnxt.c
index 6f3fe0f..b24c3ab 100644 (file)
--- a/sys/dev/pci/if_bnxt.c
+++ b/sys/dev/pci/if_bnxt.c
@@ -1,4 +1,4 @@
-/*     $OpenBSD: if_bnxt.c,v 1.9 2018/08/24 12:35:10 jmatthew Exp $    */
+/*     $OpenBSD: if_bnxt.c,v 1.10 2018/08/26 06:40:03 jmatthew Exp $   */
 /*-
  * Broadcom NetXtreme-C/E network driver.
  *
@@ -1147,7 +1147,7 @@ bnxt_intr(void *xsc)
        uint32_t cons, last_cons;
        int v_bit, last_v_bit;
        uint16_t type;
-       int rxfree, txfree;
+       int rxfree, txfree, rv;
 
        cons = cpr->cons;
        v_bit = cpr->v_bit;
@@ -1155,6 +1155,7 @@ bnxt_intr(void *xsc)
        bnxt_write_cp_doorbell(sc, &cpr->ring, 0);
        rxfree = 0;
        txfree = 0;
+       rv = -1;
        for (;;) {
                last_cons = cons;
                last_v_bit = v_bit;
@@ -1184,6 +1185,7 @@ bnxt_intr(void *xsc)
                        printf("%s: unexpected completion type %u\n",
                            DEVNAME(sc), type);
                }
+               rv = 1;
        }
 
        cpr->cons = last_cons;
@@ -1213,7 +1215,7 @@ bnxt_intr(void *xsc)
                if (ifq_is_oactive(&ifp->if_snd))
                        ifq_restart(&ifp->if_snd);
        }
-       return (1);
+       return (rv);
 }
 
 void