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authorArnaldo Carvalho de Melo <acme@mandriva.com>2005-09-22 03:32:10 -0400
committerArnaldo Carvalho de Melo <acme@mandriva.com>2005-09-22 03:32:10 -0400
commit249ff1c6d35fd32ca945967c3f0b948210a96baa (patch)
treeb7f13f3a7c0d09d523e86ccac3dce0856288f726 /net/llc
parent590232a7150674b2036291eaefce085f3f9659c8 (diff)
[LLC]: Use some more likely/unlikely
Signed-off-by: Jochen Friedrich <jochen@scram.de> Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
Diffstat (limited to 'net/llc')
-rw-r--r--net/llc/af_llc.c10
-rw-r--r--net/llc/llc_c_ac.c52
-rw-r--r--net/llc/llc_if.c9
-rw-r--r--net/llc/llc_output.c2
-rw-r--r--net/llc/llc_s_ac.c10
-rw-r--r--net/llc/llc_station.c6
6 files changed, 42 insertions, 47 deletions
diff --git a/net/llc/af_llc.c b/net/llc/af_llc.c
index ef125345a2db..7e9cf3214b88 100644
--- a/net/llc/af_llc.c
+++ b/net/llc/af_llc.c
@@ -116,12 +116,12 @@ static int llc_ui_send_data(struct sock* sk, struct sk_buff *skb, int noblock)
116 struct llc_sock* llc = llc_sk(sk); 116 struct llc_sock* llc = llc_sk(sk);
117 int rc = 0; 117 int rc = 0;
118 118
119 if (llc_data_accept_state(llc->state) || llc->p_flag) { 119 if (unlikely(llc_data_accept_state(llc->state) || llc->p_flag)) {
120 long timeout = sock_sndtimeo(sk, noblock); 120 long timeout = sock_sndtimeo(sk, noblock);
121 121
122 rc = llc_ui_wait_for_busy_core(sk, timeout); 122 rc = llc_ui_wait_for_busy_core(sk, timeout);
123 } 123 }
124 if (!rc) 124 if (unlikely(!rc))
125 rc = llc_build_and_send_pkt(sk, skb); 125 rc = llc_build_and_send_pkt(sk, skb);
126 return rc; 126 return rc;
127} 127}
@@ -762,15 +762,13 @@ static int llc_ui_sendmsg(struct kiocb *iocb, struct socket *sock,
762 if (!(sk->sk_type == SOCK_STREAM && !addr->sllc_ua)) 762 if (!(sk->sk_type == SOCK_STREAM && !addr->sllc_ua))
763 goto out; 763 goto out;
764 rc = llc_ui_send_data(sk, skb, noblock); 764 rc = llc_ui_send_data(sk, skb, noblock);
765 if (rc)
766 dprintk("%s: llc_ui_send_data failed: %d\n", __FUNCTION__, rc);
767out: 765out:
768 if (rc) 766 if (rc) {
769 kfree_skb(skb); 767 kfree_skb(skb);
770release: 768release:
771 if (rc)
772 dprintk("%s: failed sending from %02X to %02X: %d\n", 769 dprintk("%s: failed sending from %02X to %02X: %d\n",
773 __FUNCTION__, llc->laddr.lsap, llc->daddr.lsap, rc); 770 __FUNCTION__, llc->laddr.lsap, llc->daddr.lsap, rc);
771 }
774 release_sock(sk); 772 release_sock(sk);
775 return rc ? : copied; 773 return rc ? : copied;
776} 774}
diff --git a/net/llc/llc_c_ac.c b/net/llc/llc_c_ac.c
index a4daa91003dd..9d9b6c8aeb44 100644
--- a/net/llc/llc_c_ac.c
+++ b/net/llc/llc_c_ac.c
@@ -221,7 +221,7 @@ int llc_conn_ac_send_disc_cmd_p_set_x(struct sock *sk, struct sk_buff *skb)
221 llc->daddr.lsap, LLC_PDU_CMD); 221 llc->daddr.lsap, LLC_PDU_CMD);
222 llc_pdu_init_as_disc_cmd(nskb, 1); 222 llc_pdu_init_as_disc_cmd(nskb, 1);
223 rc = llc_mac_hdr_init(nskb, llc->dev->dev_addr, llc->daddr.mac); 223 rc = llc_mac_hdr_init(nskb, llc->dev->dev_addr, llc->daddr.mac);
224 if (rc) 224 if (unlikely(rc))
225 goto free; 225 goto free;
226 llc_conn_send_pdu(sk, nskb); 226 llc_conn_send_pdu(sk, nskb);
227 llc_conn_ac_set_p_flag_1(sk, skb); 227 llc_conn_ac_set_p_flag_1(sk, skb);
@@ -248,7 +248,7 @@ int llc_conn_ac_send_dm_rsp_f_set_p(struct sock *sk, struct sk_buff *skb)
248 llc->daddr.lsap, LLC_PDU_RSP); 248 llc->daddr.lsap, LLC_PDU_RSP);
249 llc_pdu_init_as_dm_rsp(nskb, f_bit); 249 llc_pdu_init_as_dm_rsp(nskb, f_bit);
250 rc = llc_mac_hdr_init(nskb, llc->dev->dev_addr, llc->daddr.mac); 250 rc = llc_mac_hdr_init(nskb, llc->dev->dev_addr, llc->daddr.mac);
251 if (rc) 251 if (unlikely(rc))
252 goto free; 252 goto free;
253 llc_conn_send_pdu(sk, nskb); 253 llc_conn_send_pdu(sk, nskb);
254 } 254 }
@@ -272,7 +272,7 @@ int llc_conn_ac_send_dm_rsp_f_set_1(struct sock *sk, struct sk_buff *skb)
272 llc->daddr.lsap, LLC_PDU_RSP); 272 llc->daddr.lsap, LLC_PDU_RSP);
273 llc_pdu_init_as_dm_rsp(nskb, 1); 273 llc_pdu_init_as_dm_rsp(nskb, 1);
274 rc = llc_mac_hdr_init(nskb, llc->dev->dev_addr, llc->daddr.mac); 274 rc = llc_mac_hdr_init(nskb, llc->dev->dev_addr, llc->daddr.mac);
275 if (rc) 275 if (unlikely(rc))
276 goto free; 276 goto free;
277 llc_conn_send_pdu(sk, nskb); 277 llc_conn_send_pdu(sk, nskb);
278 } 278 }
@@ -305,7 +305,7 @@ int llc_conn_ac_send_frmr_rsp_f_set_x(struct sock *sk, struct sk_buff *skb)
305 llc_pdu_init_as_frmr_rsp(nskb, pdu, f_bit, llc->vS, 305 llc_pdu_init_as_frmr_rsp(nskb, pdu, f_bit, llc->vS,
306 llc->vR, INCORRECT); 306 llc->vR, INCORRECT);
307 rc = llc_mac_hdr_init(nskb, llc->dev->dev_addr, llc->daddr.mac); 307 rc = llc_mac_hdr_init(nskb, llc->dev->dev_addr, llc->daddr.mac);
308 if (rc) 308 if (unlikely(rc))
309 goto free; 309 goto free;
310 llc_conn_send_pdu(sk, nskb); 310 llc_conn_send_pdu(sk, nskb);
311 } 311 }
@@ -331,7 +331,7 @@ int llc_conn_ac_resend_frmr_rsp_f_set_0(struct sock *sk, struct sk_buff *skb)
331 llc_pdu_init_as_frmr_rsp(nskb, pdu, 0, llc->vS, 331 llc_pdu_init_as_frmr_rsp(nskb, pdu, 0, llc->vS,
332 llc->vR, INCORRECT); 332 llc->vR, INCORRECT);
333 rc = llc_mac_hdr_init(nskb, llc->dev->dev_addr, llc->daddr.mac); 333 rc = llc_mac_hdr_init(nskb, llc->dev->dev_addr, llc->daddr.mac);
334 if (rc) 334 if (unlikely(rc))
335 goto free; 335 goto free;
336 llc_conn_send_pdu(sk, nskb); 336 llc_conn_send_pdu(sk, nskb);
337 } 337 }
@@ -360,7 +360,7 @@ int llc_conn_ac_resend_frmr_rsp_f_set_p(struct sock *sk, struct sk_buff *skb)
360 llc_pdu_init_as_frmr_rsp(nskb, pdu, f_bit, llc->vS, 360 llc_pdu_init_as_frmr_rsp(nskb, pdu, f_bit, llc->vS,
361 llc->vR, INCORRECT); 361 llc->vR, INCORRECT);
362 rc = llc_mac_hdr_init(nskb, llc->dev->dev_addr, llc->daddr.mac); 362 rc = llc_mac_hdr_init(nskb, llc->dev->dev_addr, llc->daddr.mac);
363 if (rc) 363 if (unlikely(rc))
364 goto free; 364 goto free;
365 llc_conn_send_pdu(sk, nskb); 365 llc_conn_send_pdu(sk, nskb);
366 } 366 }
@@ -381,7 +381,7 @@ int llc_conn_ac_send_i_cmd_p_set_1(struct sock *sk, struct sk_buff *skb)
381 llc->daddr.lsap, LLC_PDU_CMD); 381 llc->daddr.lsap, LLC_PDU_CMD);
382 llc_pdu_init_as_i_cmd(skb, 1, llc->vS, llc->vR); 382 llc_pdu_init_as_i_cmd(skb, 1, llc->vS, llc->vR);
383 rc = llc_mac_hdr_init(skb, llc->dev->dev_addr, llc->daddr.mac); 383 rc = llc_mac_hdr_init(skb, llc->dev->dev_addr, llc->daddr.mac);
384 if (!rc) { 384 if (likely(!rc)) {
385 llc_conn_send_pdu(sk, skb); 385 llc_conn_send_pdu(sk, skb);
386 llc_conn_ac_inc_vs_by_1(sk, skb); 386 llc_conn_ac_inc_vs_by_1(sk, skb);
387 } 387 }
@@ -398,7 +398,7 @@ static int llc_conn_ac_send_i_cmd_p_set_0(struct sock *sk, struct sk_buff *skb)
398 llc->daddr.lsap, LLC_PDU_CMD); 398 llc->daddr.lsap, LLC_PDU_CMD);
399 llc_pdu_init_as_i_cmd(skb, 0, llc->vS, llc->vR); 399 llc_pdu_init_as_i_cmd(skb, 0, llc->vS, llc->vR);
400 rc = llc_mac_hdr_init(skb, llc->dev->dev_addr, llc->daddr.mac); 400 rc = llc_mac_hdr_init(skb, llc->dev->dev_addr, llc->daddr.mac);
401 if (!rc) { 401 if (likely(!rc)) {
402 llc_conn_send_pdu(sk, skb); 402 llc_conn_send_pdu(sk, skb);
403 llc_conn_ac_inc_vs_by_1(sk, skb); 403 llc_conn_ac_inc_vs_by_1(sk, skb);
404 } 404 }
@@ -415,7 +415,7 @@ int llc_conn_ac_send_i_xxx_x_set_0(struct sock *sk, struct sk_buff *skb)
415 llc->daddr.lsap, LLC_PDU_CMD); 415 llc->daddr.lsap, LLC_PDU_CMD);
416 llc_pdu_init_as_i_cmd(skb, 0, llc->vS, llc->vR); 416 llc_pdu_init_as_i_cmd(skb, 0, llc->vS, llc->vR);
417 rc = llc_mac_hdr_init(skb, llc->dev->dev_addr, llc->daddr.mac); 417 rc = llc_mac_hdr_init(skb, llc->dev->dev_addr, llc->daddr.mac);
418 if (!rc) { 418 if (likely(!rc)) {
419 llc_conn_send_pdu(sk, skb); 419 llc_conn_send_pdu(sk, skb);
420 llc_conn_ac_inc_vs_by_1(sk, skb); 420 llc_conn_ac_inc_vs_by_1(sk, skb);
421 } 421 }
@@ -447,7 +447,7 @@ int llc_conn_ac_resend_i_xxx_x_set_0_or_send_rr(struct sock *sk,
447 llc->daddr.lsap, LLC_PDU_RSP); 447 llc->daddr.lsap, LLC_PDU_RSP);
448 llc_pdu_init_as_rr_rsp(nskb, 0, llc->vR); 448 llc_pdu_init_as_rr_rsp(nskb, 0, llc->vR);
449 rc = llc_mac_hdr_init(nskb, llc->dev->dev_addr, llc->daddr.mac); 449 rc = llc_mac_hdr_init(nskb, llc->dev->dev_addr, llc->daddr.mac);
450 if (!rc) 450 if (likely(!rc))
451 llc_conn_send_pdu(sk, nskb); 451 llc_conn_send_pdu(sk, nskb);
452 else 452 else
453 kfree_skb(skb); 453 kfree_skb(skb);
@@ -482,7 +482,7 @@ int llc_conn_ac_send_rej_cmd_p_set_1(struct sock *sk, struct sk_buff *skb)
482 llc->daddr.lsap, LLC_PDU_CMD); 482 llc->daddr.lsap, LLC_PDU_CMD);
483 llc_pdu_init_as_rej_cmd(nskb, 1, llc->vR); 483 llc_pdu_init_as_rej_cmd(nskb, 1, llc->vR);
484 rc = llc_mac_hdr_init(nskb, llc->dev->dev_addr, llc->daddr.mac); 484 rc = llc_mac_hdr_init(nskb, llc->dev->dev_addr, llc->daddr.mac);
485 if (rc) 485 if (unlikely(rc))
486 goto free; 486 goto free;
487 llc_conn_send_pdu(sk, nskb); 487 llc_conn_send_pdu(sk, nskb);
488 } 488 }
@@ -506,7 +506,7 @@ int llc_conn_ac_send_rej_rsp_f_set_1(struct sock *sk, struct sk_buff *skb)
506 llc->daddr.lsap, LLC_PDU_RSP); 506 llc->daddr.lsap, LLC_PDU_RSP);
507 llc_pdu_init_as_rej_rsp(nskb, 1, llc->vR); 507 llc_pdu_init_as_rej_rsp(nskb, 1, llc->vR);
508 rc = llc_mac_hdr_init(nskb, llc->dev->dev_addr, llc->daddr.mac); 508 rc = llc_mac_hdr_init(nskb, llc->dev->dev_addr, llc->daddr.mac);
509 if (rc) 509 if (unlikely(rc))
510 goto free; 510 goto free;
511 llc_conn_send_pdu(sk, nskb); 511 llc_conn_send_pdu(sk, nskb);
512 } 512 }
@@ -530,7 +530,7 @@ int llc_conn_ac_send_rej_xxx_x_set_0(struct sock *sk, struct sk_buff *skb)
530 llc->daddr.lsap, LLC_PDU_RSP); 530 llc->daddr.lsap, LLC_PDU_RSP);
531 llc_pdu_init_as_rej_rsp(nskb, 0, llc->vR); 531 llc_pdu_init_as_rej_rsp(nskb, 0, llc->vR);
532 rc = llc_mac_hdr_init(nskb, llc->dev->dev_addr, llc->daddr.mac); 532 rc = llc_mac_hdr_init(nskb, llc->dev->dev_addr, llc->daddr.mac);
533 if (rc) 533 if (unlikely(rc))
534 goto free; 534 goto free;
535 llc_conn_send_pdu(sk, nskb); 535 llc_conn_send_pdu(sk, nskb);
536 } 536 }
@@ -554,7 +554,7 @@ int llc_conn_ac_send_rnr_cmd_p_set_1(struct sock *sk, struct sk_buff *skb)
554 llc->daddr.lsap, LLC_PDU_CMD); 554 llc->daddr.lsap, LLC_PDU_CMD);
555 llc_pdu_init_as_rnr_cmd(nskb, 1, llc->vR); 555 llc_pdu_init_as_rnr_cmd(nskb, 1, llc->vR);
556 rc = llc_mac_hdr_init(nskb, llc->dev->dev_addr, llc->daddr.mac); 556 rc = llc_mac_hdr_init(nskb, llc->dev->dev_addr, llc->daddr.mac);
557 if (rc) 557 if (unlikely(rc))
558 goto free; 558 goto free;
559 llc_conn_send_pdu(sk, nskb); 559 llc_conn_send_pdu(sk, nskb);
560 } 560 }
@@ -578,7 +578,7 @@ int llc_conn_ac_send_rnr_rsp_f_set_1(struct sock *sk, struct sk_buff *skb)
578 llc->daddr.lsap, LLC_PDU_RSP); 578 llc->daddr.lsap, LLC_PDU_RSP);
579 llc_pdu_init_as_rnr_rsp(nskb, 1, llc->vR); 579 llc_pdu_init_as_rnr_rsp(nskb, 1, llc->vR);
580 rc = llc_mac_hdr_init(nskb, llc->dev->dev_addr, llc->daddr.mac); 580 rc = llc_mac_hdr_init(nskb, llc->dev->dev_addr, llc->daddr.mac);
581 if (rc) 581 if (unlikely(rc))
582 goto free; 582 goto free;
583 llc_conn_send_pdu(sk, nskb); 583 llc_conn_send_pdu(sk, nskb);
584 } 584 }
@@ -602,7 +602,7 @@ int llc_conn_ac_send_rnr_xxx_x_set_0(struct sock *sk, struct sk_buff *skb)
602 llc->daddr.lsap, LLC_PDU_RSP); 602 llc->daddr.lsap, LLC_PDU_RSP);
603 llc_pdu_init_as_rnr_rsp(nskb, 0, llc->vR); 603 llc_pdu_init_as_rnr_rsp(nskb, 0, llc->vR);
604 rc = llc_mac_hdr_init(nskb, llc->dev->dev_addr, llc->daddr.mac); 604 rc = llc_mac_hdr_init(nskb, llc->dev->dev_addr, llc->daddr.mac);
605 if (rc) 605 if (unlikely(rc))
606 goto free; 606 goto free;
607 llc_conn_send_pdu(sk, nskb); 607 llc_conn_send_pdu(sk, nskb);
608 } 608 }
@@ -638,7 +638,7 @@ int llc_conn_ac_opt_send_rnr_xxx_x_set_0(struct sock *sk, struct sk_buff *skb)
638 llc->daddr.lsap, LLC_PDU_RSP); 638 llc->daddr.lsap, LLC_PDU_RSP);
639 llc_pdu_init_as_rnr_rsp(nskb, 0, llc->vR); 639 llc_pdu_init_as_rnr_rsp(nskb, 0, llc->vR);
640 rc = llc_mac_hdr_init(nskb, llc->dev->dev_addr, llc->daddr.mac); 640 rc = llc_mac_hdr_init(nskb, llc->dev->dev_addr, llc->daddr.mac);
641 if (rc) 641 if (unlikely(rc))
642 goto free; 642 goto free;
643 llc_conn_send_pdu(sk, nskb); 643 llc_conn_send_pdu(sk, nskb);
644 } 644 }
@@ -662,7 +662,7 @@ int llc_conn_ac_send_rr_cmd_p_set_1(struct sock *sk, struct sk_buff *skb)
662 llc->daddr.lsap, LLC_PDU_CMD); 662 llc->daddr.lsap, LLC_PDU_CMD);
663 llc_pdu_init_as_rr_cmd(nskb, 1, llc->vR); 663 llc_pdu_init_as_rr_cmd(nskb, 1, llc->vR);
664 rc = llc_mac_hdr_init(nskb, llc->dev->dev_addr, llc->daddr.mac); 664 rc = llc_mac_hdr_init(nskb, llc->dev->dev_addr, llc->daddr.mac);
665 if (rc) 665 if (unlikely(rc))
666 goto free; 666 goto free;
667 llc_conn_send_pdu(sk, nskb); 667 llc_conn_send_pdu(sk, nskb);
668 } 668 }
@@ -687,7 +687,7 @@ int llc_conn_ac_send_rr_rsp_f_set_1(struct sock *sk, struct sk_buff *skb)
687 llc->daddr.lsap, LLC_PDU_RSP); 687 llc->daddr.lsap, LLC_PDU_RSP);
688 llc_pdu_init_as_rr_rsp(nskb, f_bit, llc->vR); 688 llc_pdu_init_as_rr_rsp(nskb, f_bit, llc->vR);
689 rc = llc_mac_hdr_init(nskb, llc->dev->dev_addr, llc->daddr.mac); 689 rc = llc_mac_hdr_init(nskb, llc->dev->dev_addr, llc->daddr.mac);
690 if (rc) 690 if (unlikely(rc))
691 goto free; 691 goto free;
692 llc_conn_send_pdu(sk, nskb); 692 llc_conn_send_pdu(sk, nskb);
693 } 693 }
@@ -711,7 +711,7 @@ int llc_conn_ac_send_ack_rsp_f_set_1(struct sock *sk, struct sk_buff *skb)
711 llc->daddr.lsap, LLC_PDU_RSP); 711 llc->daddr.lsap, LLC_PDU_RSP);
712 llc_pdu_init_as_rr_rsp(nskb, 1, llc->vR); 712 llc_pdu_init_as_rr_rsp(nskb, 1, llc->vR);
713 rc = llc_mac_hdr_init(nskb, llc->dev->dev_addr, llc->daddr.mac); 713 rc = llc_mac_hdr_init(nskb, llc->dev->dev_addr, llc->daddr.mac);
714 if (rc) 714 if (unlikely(rc))
715 goto free; 715 goto free;
716 llc_conn_send_pdu(sk, nskb); 716 llc_conn_send_pdu(sk, nskb);
717 } 717 }
@@ -735,7 +735,7 @@ int llc_conn_ac_send_rr_xxx_x_set_0(struct sock *sk, struct sk_buff *skb)
735 llc->daddr.lsap, LLC_PDU_RSP); 735 llc->daddr.lsap, LLC_PDU_RSP);
736 llc_pdu_init_as_rr_rsp(nskb, 0, llc->vR); 736 llc_pdu_init_as_rr_rsp(nskb, 0, llc->vR);
737 rc = llc_mac_hdr_init(nskb, llc->dev->dev_addr, llc->daddr.mac); 737 rc = llc_mac_hdr_init(nskb, llc->dev->dev_addr, llc->daddr.mac);
738 if (rc) 738 if (unlikely(rc))
739 goto free; 739 goto free;
740 llc_conn_send_pdu(sk, nskb); 740 llc_conn_send_pdu(sk, nskb);
741 } 741 }
@@ -759,7 +759,7 @@ int llc_conn_ac_send_ack_xxx_x_set_0(struct sock *sk, struct sk_buff *skb)
759 llc->daddr.lsap, LLC_PDU_RSP); 759 llc->daddr.lsap, LLC_PDU_RSP);
760 llc_pdu_init_as_rr_rsp(nskb, 0, llc->vR); 760 llc_pdu_init_as_rr_rsp(nskb, 0, llc->vR);
761 rc = llc_mac_hdr_init(nskb, llc->dev->dev_addr, llc->daddr.mac); 761 rc = llc_mac_hdr_init(nskb, llc->dev->dev_addr, llc->daddr.mac);
762 if (rc) 762 if (unlikely(rc))
763 goto free; 763 goto free;
764 llc_conn_send_pdu(sk, nskb); 764 llc_conn_send_pdu(sk, nskb);
765 } 765 }
@@ -796,7 +796,7 @@ int llc_conn_ac_send_sabme_cmd_p_set_x(struct sock *sk, struct sk_buff *skb)
796 llc->daddr.lsap, LLC_PDU_CMD); 796 llc->daddr.lsap, LLC_PDU_CMD);
797 llc_pdu_init_as_sabme_cmd(nskb, 1); 797 llc_pdu_init_as_sabme_cmd(nskb, 1);
798 rc = llc_mac_hdr_init(nskb, llc->dev->dev_addr, dmac); 798 rc = llc_mac_hdr_init(nskb, llc->dev->dev_addr, dmac);
799 if (rc) 799 if (unlikely(rc))
800 goto free; 800 goto free;
801 llc_conn_send_pdu(sk, nskb); 801 llc_conn_send_pdu(sk, nskb);
802 llc_conn_set_p_flag(sk, 1); 802 llc_conn_set_p_flag(sk, 1);
@@ -824,7 +824,7 @@ int llc_conn_ac_send_ua_rsp_f_set_p(struct sock *sk, struct sk_buff *skb)
824 llc->daddr.lsap, LLC_PDU_RSP); 824 llc->daddr.lsap, LLC_PDU_RSP);
825 llc_pdu_init_as_ua_rsp(nskb, f_bit); 825 llc_pdu_init_as_ua_rsp(nskb, f_bit);
826 rc = llc_mac_hdr_init(nskb, llc->dev->dev_addr, llc->daddr.mac); 826 rc = llc_mac_hdr_init(nskb, llc->dev->dev_addr, llc->daddr.mac);
827 if (rc) 827 if (unlikely(rc))
828 goto free; 828 goto free;
829 llc_conn_send_pdu(sk, nskb); 829 llc_conn_send_pdu(sk, nskb);
830 } 830 }
@@ -924,7 +924,7 @@ static int llc_conn_ac_send_i_rsp_f_set_ackpf(struct sock *sk,
924 llc->daddr.lsap, LLC_PDU_RSP); 924 llc->daddr.lsap, LLC_PDU_RSP);
925 llc_pdu_init_as_i_cmd(skb, llc->ack_pf, llc->vS, llc->vR); 925 llc_pdu_init_as_i_cmd(skb, llc->ack_pf, llc->vS, llc->vR);
926 rc = llc_mac_hdr_init(skb, llc->dev->dev_addr, llc->daddr.mac); 926 rc = llc_mac_hdr_init(skb, llc->dev->dev_addr, llc->daddr.mac);
927 if (!rc) { 927 if (likely(!rc)) {
928 llc_conn_send_pdu(sk, skb); 928 llc_conn_send_pdu(sk, skb);
929 llc_conn_ac_inc_vs_by_1(sk, skb); 929 llc_conn_ac_inc_vs_by_1(sk, skb);
930 } 930 }
@@ -978,7 +978,7 @@ static int llc_conn_ac_send_rr_rsp_f_set_ackpf(struct sock *sk,
978 llc->daddr.lsap, LLC_PDU_RSP); 978 llc->daddr.lsap, LLC_PDU_RSP);
979 llc_pdu_init_as_rr_rsp(nskb, llc->ack_pf, llc->vR); 979 llc_pdu_init_as_rr_rsp(nskb, llc->ack_pf, llc->vR);
980 rc = llc_mac_hdr_init(nskb, llc->dev->dev_addr, llc->daddr.mac); 980 rc = llc_mac_hdr_init(nskb, llc->dev->dev_addr, llc->daddr.mac);
981 if (rc) 981 if (unlikely(rc))
982 goto free; 982 goto free;
983 llc_conn_send_pdu(sk, nskb); 983 llc_conn_send_pdu(sk, nskb);
984 } 984 }
diff --git a/net/llc/llc_if.c b/net/llc/llc_if.c
index 0f84f66018e4..764dbd704051 100644
--- a/net/llc/llc_if.c
+++ b/net/llc/llc_if.c
@@ -47,14 +47,11 @@ int llc_build_and_send_pkt(struct sock *sk, struct sk_buff *skb)
47 int rc = -ECONNABORTED; 47 int rc = -ECONNABORTED;
48 struct llc_sock *llc = llc_sk(sk); 48 struct llc_sock *llc = llc_sk(sk);
49 49
50 if (llc->state == LLC_CONN_STATE_ADM) 50 if (unlikely(llc->state == LLC_CONN_STATE_ADM))
51 goto out; 51 goto out;
52 rc = -EBUSY; 52 rc = -EBUSY;
53 if (llc_data_accept_state(llc->state)) { /* data_conn_refuse */ 53 if (unlikely(llc_data_accept_state(llc->state) || /* data_conn_refuse */
54 llc->failed_data_req = 1; 54 llc->p_flag)) {
55 goto out;
56 }
57 if (llc->p_flag) {
58 llc->failed_data_req = 1; 55 llc->failed_data_req = 1;
59 goto out; 56 goto out;
60 } 57 }
diff --git a/net/llc/llc_output.c b/net/llc/llc_output.c
index ab5784cf163e..b4d55b6abb67 100644
--- a/net/llc/llc_output.c
+++ b/net/llc/llc_output.c
@@ -98,7 +98,7 @@ int llc_build_and_send_ui_pkt(struct llc_sap *sap, struct sk_buff *skb,
98 dsap, LLC_PDU_CMD); 98 dsap, LLC_PDU_CMD);
99 llc_pdu_init_as_ui_cmd(skb); 99 llc_pdu_init_as_ui_cmd(skb);
100 rc = llc_mac_hdr_init(skb, skb->dev->dev_addr, dmac); 100 rc = llc_mac_hdr_init(skb, skb->dev->dev_addr, dmac);
101 if (!rc) 101 if (likely(!rc))
102 rc = dev_queue_xmit(skb); 102 rc = dev_queue_xmit(skb);
103 return rc; 103 return rc;
104} 104}
diff --git a/net/llc/llc_s_ac.c b/net/llc/llc_s_ac.c
index 270b2f2030cd..6acdebf03b2b 100644
--- a/net/llc/llc_s_ac.c
+++ b/net/llc/llc_s_ac.c
@@ -58,7 +58,7 @@ int llc_sap_action_send_ui(struct llc_sap *sap, struct sk_buff *skb)
58 ev->daddr.lsap, LLC_PDU_CMD); 58 ev->daddr.lsap, LLC_PDU_CMD);
59 llc_pdu_init_as_ui_cmd(skb); 59 llc_pdu_init_as_ui_cmd(skb);
60 rc = llc_mac_hdr_init(skb, ev->saddr.mac, ev->daddr.mac); 60 rc = llc_mac_hdr_init(skb, ev->saddr.mac, ev->daddr.mac);
61 if (!rc) 61 if (likely(!rc))
62 rc = dev_queue_xmit(skb); 62 rc = dev_queue_xmit(skb);
63 return rc; 63 return rc;
64} 64}
@@ -81,7 +81,7 @@ int llc_sap_action_send_xid_c(struct llc_sap *sap, struct sk_buff *skb)
81 ev->daddr.lsap, LLC_PDU_CMD); 81 ev->daddr.lsap, LLC_PDU_CMD);
82 llc_pdu_init_as_xid_cmd(skb, LLC_XID_NULL_CLASS_2, 0); 82 llc_pdu_init_as_xid_cmd(skb, LLC_XID_NULL_CLASS_2, 0);
83 rc = llc_mac_hdr_init(skb, ev->saddr.mac, ev->daddr.mac); 83 rc = llc_mac_hdr_init(skb, ev->saddr.mac, ev->daddr.mac);
84 if (!rc) 84 if (likely(!rc))
85 rc = dev_queue_xmit(skb); 85 rc = dev_queue_xmit(skb);
86 return rc; 86 return rc;
87} 87}
@@ -110,7 +110,7 @@ int llc_sap_action_send_xid_r(struct llc_sap *sap, struct sk_buff *skb)
110 LLC_PDU_RSP); 110 LLC_PDU_RSP);
111 llc_pdu_init_as_xid_rsp(nskb, LLC_XID_NULL_CLASS_2, 0); 111 llc_pdu_init_as_xid_rsp(nskb, LLC_XID_NULL_CLASS_2, 0);
112 rc = llc_mac_hdr_init(nskb, mac_sa, mac_da); 112 rc = llc_mac_hdr_init(nskb, mac_sa, mac_da);
113 if (!rc) 113 if (likely(!rc))
114 rc = dev_queue_xmit(nskb); 114 rc = dev_queue_xmit(nskb);
115out: 115out:
116 return rc; 116 return rc;
@@ -134,7 +134,7 @@ int llc_sap_action_send_test_c(struct llc_sap *sap, struct sk_buff *skb)
134 ev->daddr.lsap, LLC_PDU_CMD); 134 ev->daddr.lsap, LLC_PDU_CMD);
135 llc_pdu_init_as_test_cmd(skb); 135 llc_pdu_init_as_test_cmd(skb);
136 rc = llc_mac_hdr_init(skb, ev->saddr.mac, ev->daddr.mac); 136 rc = llc_mac_hdr_init(skb, ev->saddr.mac, ev->daddr.mac);
137 if (!rc) 137 if (likely(!rc))
138 rc = dev_queue_xmit(skb); 138 rc = dev_queue_xmit(skb);
139 return rc; 139 return rc;
140} 140}
@@ -155,7 +155,7 @@ int llc_sap_action_send_test_r(struct llc_sap *sap, struct sk_buff *skb)
155 LLC_PDU_RSP); 155 LLC_PDU_RSP);
156 llc_pdu_init_as_test_rsp(nskb, skb); 156 llc_pdu_init_as_test_rsp(nskb, skb);
157 rc = llc_mac_hdr_init(nskb, mac_sa, mac_da); 157 rc = llc_mac_hdr_init(nskb, mac_sa, mac_da);
158 if (!rc) 158 if (likely(!rc))
159 rc = dev_queue_xmit(nskb); 159 rc = dev_queue_xmit(nskb);
160out: 160out:
161 return rc; 161 return rc;
diff --git a/net/llc/llc_station.c b/net/llc/llc_station.c
index 2d764b0382ce..ec4693fe312f 100644
--- a/net/llc/llc_station.c
+++ b/net/llc/llc_station.c
@@ -261,7 +261,7 @@ static int llc_station_ac_send_null_dsap_xid_c(struct sk_buff *skb)
261 llc_pdu_header_init(nskb, LLC_PDU_TYPE_U, 0, 0, LLC_PDU_CMD); 261 llc_pdu_header_init(nskb, LLC_PDU_TYPE_U, 0, 0, LLC_PDU_CMD);
262 llc_pdu_init_as_xid_cmd(nskb, LLC_XID_NULL_CLASS_2, 127); 262 llc_pdu_init_as_xid_cmd(nskb, LLC_XID_NULL_CLASS_2, 127);
263 rc = llc_mac_hdr_init(nskb, llc_station_mac_sa, llc_station_mac_sa); 263 rc = llc_mac_hdr_init(nskb, llc_station_mac_sa, llc_station_mac_sa);
264 if (rc) 264 if (unlikely(rc))
265 goto free; 265 goto free;
266 llc_station_send_pdu(nskb); 266 llc_station_send_pdu(nskb);
267out: 267out:
@@ -285,7 +285,7 @@ static int llc_station_ac_send_xid_r(struct sk_buff *skb)
285 llc_pdu_header_init(nskb, LLC_PDU_TYPE_U, 0, dsap, LLC_PDU_RSP); 285 llc_pdu_header_init(nskb, LLC_PDU_TYPE_U, 0, dsap, LLC_PDU_RSP);
286 llc_pdu_init_as_xid_rsp(nskb, LLC_XID_NULL_CLASS_2, 127); 286 llc_pdu_init_as_xid_rsp(nskb, LLC_XID_NULL_CLASS_2, 127);
287 rc = llc_mac_hdr_init(nskb, llc_station_mac_sa, mac_da); 287 rc = llc_mac_hdr_init(nskb, llc_station_mac_sa, mac_da);
288 if (rc) 288 if (unlikely(rc))
289 goto free; 289 goto free;
290 llc_station_send_pdu(nskb); 290 llc_station_send_pdu(nskb);
291out: 291out:
@@ -309,7 +309,7 @@ static int llc_station_ac_send_test_r(struct sk_buff *skb)
309 llc_pdu_header_init(nskb, LLC_PDU_TYPE_U, 0, dsap, LLC_PDU_RSP); 309 llc_pdu_header_init(nskb, LLC_PDU_TYPE_U, 0, dsap, LLC_PDU_RSP);
310 llc_pdu_init_as_test_rsp(nskb, skb); 310 llc_pdu_init_as_test_rsp(nskb, skb);
311 rc = llc_mac_hdr_init(nskb, llc_station_mac_sa, mac_da); 311 rc = llc_mac_hdr_init(nskb, llc_station_mac_sa, mac_da);
312 if (rc) 312 if (unlikely(rc))
313 goto free; 313 goto free;
314 llc_station_send_pdu(nskb); 314 llc_station_send_pdu(nskb);
315out: 315out: