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-rw-r--r--net/packet/af_packet.c53
1 files changed, 23 insertions, 30 deletions
diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
index dd5cd49b0e09..8ec1bca7f859 100644
--- a/net/packet/af_packet.c
+++ b/net/packet/af_packet.c
@@ -742,36 +742,33 @@ static void prb_open_block(struct tpacket_kbdq_core *pkc1,
742 742
743 smp_rmb(); 743 smp_rmb();
744 744
745 if (likely(TP_STATUS_KERNEL == BLOCK_STATUS(pbd1))) { 745 /* We could have just memset this but we will lose the
746 * flexibility of making the priv area sticky
747 */
746 748
747 /* We could have just memset this but we will lose the 749 BLOCK_SNUM(pbd1) = pkc1->knxt_seq_num++;
748 * flexibility of making the priv area sticky 750 BLOCK_NUM_PKTS(pbd1) = 0;
749 */ 751 BLOCK_LEN(pbd1) = BLK_PLUS_PRIV(pkc1->blk_sizeof_priv);
750 BLOCK_SNUM(pbd1) = pkc1->knxt_seq_num++;
751 BLOCK_NUM_PKTS(pbd1) = 0;
752 BLOCK_LEN(pbd1) = BLK_PLUS_PRIV(pkc1->blk_sizeof_priv);
753 getnstimeofday(&ts);
754 h1->ts_first_pkt.ts_sec = ts.tv_sec;
755 h1->ts_first_pkt.ts_nsec = ts.tv_nsec;
756 pkc1->pkblk_start = (char *)pbd1;
757 pkc1->nxt_offset = pkc1->pkblk_start + BLK_PLUS_PRIV(pkc1->blk_sizeof_priv);
758 BLOCK_O2FP(pbd1) = (__u32)BLK_PLUS_PRIV(pkc1->blk_sizeof_priv);
759 BLOCK_O2PRIV(pbd1) = BLK_HDR_LEN;
760 pbd1->version = pkc1->version;
761 pkc1->prev = pkc1->nxt_offset;
762 pkc1->pkblk_end = pkc1->pkblk_start + pkc1->kblk_size;
763 prb_thaw_queue(pkc1);
764 _prb_refresh_rx_retire_blk_timer(pkc1);
765 752
766 smp_wmb(); 753 getnstimeofday(&ts);
767 754
768 return; 755 h1->ts_first_pkt.ts_sec = ts.tv_sec;
769 } 756 h1->ts_first_pkt.ts_nsec = ts.tv_nsec;
770 757
771 WARN(1, "ERROR block:%p is NOT FREE status:%d kactive_blk_num:%d\n", 758 pkc1->pkblk_start = (char *)pbd1;
772 pbd1, BLOCK_STATUS(pbd1), pkc1->kactive_blk_num); 759 pkc1->nxt_offset = pkc1->pkblk_start + BLK_PLUS_PRIV(pkc1->blk_sizeof_priv);
773 dump_stack(); 760
774 BUG(); 761 BLOCK_O2FP(pbd1) = (__u32)BLK_PLUS_PRIV(pkc1->blk_sizeof_priv);
762 BLOCK_O2PRIV(pbd1) = BLK_HDR_LEN;
763
764 pbd1->version = pkc1->version;
765 pkc1->prev = pkc1->nxt_offset;
766 pkc1->pkblk_end = pkc1->pkblk_start + pkc1->kblk_size;
767
768 prb_thaw_queue(pkc1);
769 _prb_refresh_rx_retire_blk_timer(pkc1);
770
771 smp_wmb();
775} 772}
776 773
777/* 774/*
@@ -862,10 +859,6 @@ static void prb_retire_current_block(struct tpacket_kbdq_core *pkc,
862 prb_close_block(pkc, pbd, po, status); 859 prb_close_block(pkc, pbd, po, status);
863 return; 860 return;
864 } 861 }
865
866 WARN(1, "ERROR-pbd[%d]:%p\n", pkc->kactive_blk_num, pbd);
867 dump_stack();
868 BUG();
869} 862}
870 863
871static int prb_curr_blk_in_use(struct tpacket_kbdq_core *pkc, 864static int prb_curr_blk_in_use(struct tpacket_kbdq_core *pkc,