diff options
Diffstat (limited to 'net')
| -rw-r--r-- | net/packet/af_packet.c | 54 |
1 files changed, 20 insertions, 34 deletions
diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c index 835fcea97ee..5a70215362a 100644 --- a/net/packet/af_packet.c +++ b/net/packet/af_packet.c @@ -813,37 +813,27 @@ static void prb_open_block(struct tpacket_kbdq_core *pkc1, smp_rmb(); - if (likely(TP_STATUS_KERNEL == BLOCK_STATUS(pbd1))) { - - /* We could have just memset this but we will lose the - * flexibility of making the priv area sticky - */ - BLOCK_SNUM(pbd1) = pkc1->knxt_seq_num++; - BLOCK_NUM_PKTS(pbd1) = 0; - BLOCK_LEN(pbd1) = BLK_PLUS_PRIV(pkc1->blk_sizeof_priv); - getnstimeofday(&ts); - h1->ts_first_pkt.ts_sec = ts.tv_sec; - h1->ts_first_pkt.ts_nsec = ts.tv_nsec; - pkc1->pkblk_start = (char *)pbd1; - pkc1->nxt_offset = (char *)(pkc1->pkblk_start + - BLK_PLUS_PRIV(pkc1->blk_sizeof_priv)); - BLOCK_O2FP(pbd1) = (__u32)BLK_PLUS_PRIV(pkc1->blk_sizeof_priv); - BLOCK_O2PRIV(pbd1) = BLK_HDR_LEN; - pbd1->version = pkc1->version; - pkc1->prev = pkc1->nxt_offset; - pkc1->pkblk_end = pkc1->pkblk_start + pkc1->kblk_size; - prb_thaw_queue(pkc1); - _prb_refresh_rx_retire_blk_timer(pkc1); - - smp_wmb(); - - return; - } + /* We could have just memset this but we will lose the + * flexibility of making the priv area sticky + */ + BLOCK_SNUM(pbd1) = pkc1->knxt_seq_num++; + BLOCK_NUM_PKTS(pbd1) = 0; + BLOCK_LEN(pbd1) = BLK_PLUS_PRIV(pkc1->blk_sizeof_priv); + getnstimeofday(&ts); + h1->ts_first_pkt.ts_sec = ts.tv_sec; + h1->ts_first_pkt.ts_nsec = ts.tv_nsec; + pkc1->pkblk_start = (char *)pbd1; + pkc1->nxt_offset = (char *)(pkc1->pkblk_start + + BLK_PLUS_PRIV(pkc1->blk_sizeof_priv)); + BLOCK_O2FP(pbd1) = (__u32)BLK_PLUS_PRIV(pkc1->blk_sizeof_priv); + BLOCK_O2PRIV(pbd1) = BLK_HDR_LEN; + pbd1->version = pkc1->version; + pkc1->prev = pkc1->nxt_offset; + pkc1->pkblk_end = pkc1->pkblk_start + pkc1->kblk_size; + prb_thaw_queue(pkc1); + _prb_refresh_rx_retire_blk_timer(pkc1); - WARN(1, "ERROR block:%p is NOT FREE status:%d kactive_blk_num:%d\n", - pbd1, BLOCK_STATUS(pbd1), pkc1->kactive_blk_num); - dump_stack(); - BUG(); + smp_wmb(); } /* @@ -934,10 +924,6 @@ static void prb_retire_current_block(struct tpacket_kbdq_core *pkc, prb_close_block(pkc, pbd, po, status); return; } - - WARN(1, "ERROR-pbd[%d]:%p\n", pkc->kactive_blk_num, pbd); - dump_stack(); - BUG(); } static int prb_curr_blk_in_use(struct tpacket_kbdq_core *pkc, |