rx checkcall kill extra indirection on call for conn

we already set a local variable, conn, to call->conn. use it instead
of dereferencing call->conn repeatedly

Change-Id: I5d38edc1d3507a717598140393094b1ba22ced46
Reviewed-on: http://gerrit.openafs.org/2113
Reviewed-by: Derrick Brashear <shadow@dementia.org>
Reviewed-by: Jeffrey Altman <jaltman@openafs.org>
Tested-by: Derrick Brashear <shadow@dementia.org>

diff --git a/src/rx/rx.c b/src/rx/rx.c
index 1f31048966443a1bda0108ad6a892b85e6b48dda..161e3e6113c1534634647537277e6143ad103582 100644 (file)
--- a/src/rx/rx.c
+++ b/src/rx/rx.c
@@ -5850,7 +5850,7 @@ rxi_CheckCall(struct rx_call *call)
            netstack_t *ns =  netstack_find_by_stackid(GLOBAL_NETSTACKID);
            ip_stack_t *ipst = ns->netstack_ip;
 #endif
-           ire = ire_cache_lookup(call->conn->peer->host
+           ire = ire_cache_lookup(conn->peer->host
 #if defined(AFS_SUN510_ENV) && defined(ALL_ZONES)
                                   , ALL_ZONES
 #if defined(AFS_SUN510_ENV) && (defined(ICL_3_ARG) || defined(GLOBAL_NETSTACKID))
@@ -5863,7 +5863,7 @@ rxi_CheckCall(struct rx_call *call)
                );
            
            if (ire && ire->ire_max_frag > 0)
-               rxi_SetPeerMtu(NULL, call->conn->peer->host, 0,
+               rxi_SetPeerMtu(NULL, conn->peer->host, 0,
                               ire->ire_max_frag);
 #if defined(GLOBAL_NETSTACKID)
            netstack_rele(ns);
@@ -5919,27 +5919,27 @@ rxi_CheckCall(struct rx_call *call)
     }
     return 0;
 mtuout:
-    if (call->conn->msgsizeRetryErr && cerror != RX_CALL_TIMEOUT) {
+    if (conn->msgsizeRetryErr && cerror != RX_CALL_TIMEOUT) {
        /* if we never succeeded, let the error pass out as-is */
-       if (call->conn->peer->maxPacketSize)
-           cerror = call->conn->msgsizeRetryErr;
+       if (conn->peer->maxPacketSize)
+           cerror = conn->msgsizeRetryErr;
 
        /* if we thought we could send more, perhaps things got worse */
        if (call->conn->peer->maxPacketSize > conn->lastPacketSize)
            /* maxpacketsize will be cleared in rxi_SetPeerMtu */
-           newmtu = MAX(call->conn->peer->maxPacketSize-RX_IPUDP_SIZE,
+           newmtu = MAX(conn->peer->maxPacketSize-RX_IPUDP_SIZE,
                         conn->lastPacketSize-(128+RX_IPUDP_SIZE));
        else
            newmtu = conn->lastPacketSize-(128+RX_IPUDP_SIZE);
 
        /* minimum capped in SetPeerMtu */
-       rxi_SetPeerMtu(call->conn->peer, 0, 0, newmtu);
+       rxi_SetPeerMtu(conn->peer, 0, 0, newmtu);
 
        /* clean up */
        conn->lastPacketSize = 0;
 
        /* needed so ResetCall doesn't clobber us. */
-       call->MTU = call->conn->peer->ifMTU;
+       call->MTU = conn->peer->ifMTU;
     }
     rxi_CallError(call, cerror);
     return -1;