diff options
Diffstat (limited to 'drivers/infiniband/ulp')
-rw-r--r-- | drivers/infiniband/ulp/ipoib/Kconfig | 3 | ||||
-rw-r--r-- | drivers/infiniband/ulp/ipoib/ipoib.h | 7 | ||||
-rw-r--r-- | drivers/infiniband/ulp/ipoib/ipoib_fs.c | 2 | ||||
-rw-r--r-- | drivers/infiniband/ulp/ipoib/ipoib_ib.c | 22 | ||||
-rw-r--r-- | drivers/infiniband/ulp/ipoib/ipoib_main.c | 88 | ||||
-rw-r--r-- | drivers/infiniband/ulp/ipoib/ipoib_multicast.c | 58 | ||||
-rw-r--r-- | drivers/infiniband/ulp/ipoib/ipoib_verbs.c | 6 | ||||
-rw-r--r-- | drivers/infiniband/ulp/srp/ib_srp.c | 19 |
8 files changed, 116 insertions, 89 deletions
diff --git a/drivers/infiniband/ulp/ipoib/Kconfig b/drivers/infiniband/ulp/ipoib/Kconfig index 8d2e04cac68..13d6d01c72c 100644 --- a/drivers/infiniband/ulp/ipoib/Kconfig +++ b/drivers/infiniband/ulp/ipoib/Kconfig @@ -10,8 +10,9 @@ config INFINIBAND_IPOIB group: <http://www.ietf.org/html.charters/ipoib-charter.html>. config INFINIBAND_IPOIB_DEBUG - bool "IP-over-InfiniBand debugging" + bool "IP-over-InfiniBand debugging" if EMBEDDED depends on INFINIBAND_IPOIB + default y ---help--- This option causes debugging code to be compiled into the IPoIB driver. The output can be turned on via the diff --git a/drivers/infiniband/ulp/ipoib/ipoib.h b/drivers/infiniband/ulp/ipoib/ipoib.h index b640107fb73..12a1e0572ef 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib.h +++ b/drivers/infiniband/ulp/ipoib/ipoib.h @@ -65,6 +65,8 @@ enum { IPOIB_RX_RING_SIZE = 128, IPOIB_TX_RING_SIZE = 64, + IPOIB_MAX_QUEUE_SIZE = 8192, + IPOIB_MIN_QUEUE_SIZE = 2, IPOIB_NUM_WC = 4, @@ -230,6 +232,9 @@ static inline struct ipoib_neigh **to_ipoib_neigh(struct neighbour *neigh) INFINIBAND_ALEN, sizeof(void *)); } +struct ipoib_neigh *ipoib_neigh_alloc(struct neighbour *neigh); +void ipoib_neigh_free(struct ipoib_neigh *neigh); + extern struct workqueue_struct *ipoib_workqueue; /* functions */ @@ -329,6 +334,8 @@ static inline void ipoib_unregister_debugfs(void) { } #define ipoib_warn(priv, format, arg...) \ ipoib_printk(KERN_WARNING, priv, format , ## arg) +extern int ipoib_sendq_size; +extern int ipoib_recvq_size; #ifdef CONFIG_INFINIBAND_IPOIB_DEBUG extern int ipoib_debug_level; diff --git a/drivers/infiniband/ulp/ipoib/ipoib_fs.c b/drivers/infiniband/ulp/ipoib/ipoib_fs.c index 685258e3403..5dde380e8db 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib_fs.c +++ b/drivers/infiniband/ulp/ipoib/ipoib_fs.c @@ -213,7 +213,7 @@ static int ipoib_path_seq_show(struct seq_file *file, void *iter_ptr) gid_buf, path.pathrec.dlid ? "yes" : "no"); if (path.pathrec.dlid) { - rate = ib_sa_rate_enum_to_int(path.pathrec.rate) * 25; + rate = ib_rate_to_mult(path.pathrec.rate) * 25; seq_printf(file, " DLID: 0x%04x\n" diff --git a/drivers/infiniband/ulp/ipoib/ipoib_ib.c b/drivers/infiniband/ulp/ipoib/ipoib_ib.c index ed65202878d..a54da42849a 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib_ib.c +++ b/drivers/infiniband/ulp/ipoib/ipoib_ib.c @@ -161,7 +161,7 @@ static int ipoib_ib_post_receives(struct net_device *dev) struct ipoib_dev_priv *priv = netdev_priv(dev); int i; - for (i = 0; i < IPOIB_RX_RING_SIZE; ++i) { + for (i = 0; i < ipoib_recvq_size; ++i) { if (ipoib_alloc_rx_skb(dev, i)) { ipoib_warn(priv, "failed to allocate receive buffer %d\n", i); return -ENOMEM; @@ -187,7 +187,7 @@ static void ipoib_ib_handle_wc(struct net_device *dev, if (wr_id & IPOIB_OP_RECV) { wr_id &= ~IPOIB_OP_RECV; - if (wr_id < IPOIB_RX_RING_SIZE) { + if (wr_id < ipoib_recvq_size) { struct sk_buff *skb = priv->rx_ring[wr_id].skb; dma_addr_t addr = priv->rx_ring[wr_id].mapping; @@ -252,9 +252,9 @@ static void ipoib_ib_handle_wc(struct net_device *dev, struct ipoib_tx_buf *tx_req; unsigned long flags; - if (wr_id >= IPOIB_TX_RING_SIZE) { + if (wr_id >= ipoib_sendq_size) { ipoib_warn(priv, "completion event with wrid %d (> %d)\n", - wr_id, IPOIB_TX_RING_SIZE); + wr_id, ipoib_sendq_size); return; } @@ -275,7 +275,7 @@ static void ipoib_ib_handle_wc(struct net_device *dev, spin_lock_irqsave(&priv->tx_lock, flags); ++priv->tx_tail; if (netif_queue_stopped(dev) && - priv->tx_head - priv->tx_tail <= IPOIB_TX_RING_SIZE / 2) + priv->tx_head - priv->tx_tail <= ipoib_sendq_size >> 1) netif_wake_queue(dev); spin_unlock_irqrestore(&priv->tx_lock, flags); @@ -344,13 +344,13 @@ void ipoib_send(struct net_device *dev, struct sk_buff *skb, * means we have to make sure everything is properly recorded and * our state is consistent before we call post_send(). */ - tx_req = &priv->tx_ring[priv->tx_head & (IPOIB_TX_RING_SIZE - 1)]; + tx_req = &priv->tx_ring[priv->tx_head & (ipoib_sendq_size - 1)]; tx_req->skb = skb; addr = dma_map_single(priv->ca->dma_device, skb->data, skb->len, DMA_TO_DEVICE); pci_unmap_addr_set(tx_req, mapping, addr); - if (unlikely(post_send(priv, priv->tx_head & (IPOIB_TX_RING_SIZE - 1), + if (unlikely(post_send(priv, priv->tx_head & (ipoib_sendq_size - 1), address->ah, qpn, addr, skb->len))) { ipoib_warn(priv, "post_send failed\n"); ++priv->stats.tx_errors; @@ -363,7 +363,7 @@ void ipoib_send(struct net_device *dev, struct sk_buff *skb, address->last_send = priv->tx_head; ++priv->tx_head; - if (priv->tx_head - priv->tx_tail == IPOIB_TX_RING_SIZE) { + if (priv->tx_head - priv->tx_tail == ipoib_sendq_size) { ipoib_dbg(priv, "TX ring full, stopping kernel net queue\n"); netif_stop_queue(dev); } @@ -488,7 +488,7 @@ static int recvs_pending(struct net_device *dev) int pending = 0; int i; - for (i = 0; i < IPOIB_RX_RING_SIZE; ++i) + for (i = 0; i < ipoib_recvq_size; ++i) if (priv->rx_ring[i].skb) ++pending; @@ -527,7 +527,7 @@ int ipoib_ib_dev_stop(struct net_device *dev) */ while ((int) priv->tx_tail - (int) priv->tx_head < 0) { tx_req = &priv->tx_ring[priv->tx_tail & - (IPOIB_TX_RING_SIZE - 1)]; + (ipoib_sendq_size - 1)]; dma_unmap_single(priv->ca->dma_device, pci_unmap_addr(tx_req, mapping), tx_req->skb->len, @@ -536,7 +536,7 @@ int ipoib_ib_dev_stop(struct net_device *dev) ++priv->tx_tail; } - for (i = 0; i < IPOIB_RX_RING_SIZE; ++i) + for (i = 0; i < ipoib_recvq_size; ++i) if (priv->rx_ring[i].skb) { dma_unmap_single(priv->ca->dma_device, pci_unmap_addr(&priv->rx_ring[i], diff --git a/drivers/infiniband/ulp/ipoib/ipoib_main.c b/drivers/infiniband/ulp/ipoib/ipoib_main.c index 9b0bd7c746c..cb078a7d0bf 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib_main.c +++ b/drivers/infiniband/ulp/ipoib/ipoib_main.c @@ -41,6 +41,7 @@ #include <linux/init.h> #include <linux/slab.h> #include <linux/vmalloc.h> +#include <linux/kernel.h> #include <linux/if_arp.h> /* For ARPHRD_xxx */ @@ -53,6 +54,14 @@ MODULE_AUTHOR("Roland Dreier"); MODULE_DESCRIPTION("IP-over-InfiniBand net driver"); MODULE_LICENSE("Dual BSD/GPL"); +int ipoib_sendq_size __read_mostly = IPOIB_TX_RING_SIZE; +int ipoib_recvq_size __read_mostly = IPOIB_RX_RING_SIZE; + +module_param_named(send_queue_size, ipoib_sendq_size, int, 0444); +MODULE_PARM_DESC(send_queue_size, "Number of descriptors in send queue"); +module_param_named(recv_queue_size, ipoib_recvq_size, int, 0444); +MODULE_PARM_DESC(recv_queue_size, "Number of descriptors in receive queue"); + #ifdef CONFIG_INFINIBAND_IPOIB_DEBUG int ipoib_debug_level; @@ -252,8 +261,8 @@ static void path_free(struct net_device *dev, struct ipoib_path *path) */ if (neigh->ah) ipoib_put_ah(neigh->ah); - *to_ipoib_neigh(neigh->neighbour) = NULL; - kfree(neigh); + + ipoib_neigh_free(neigh); } spin_unlock_irqrestore(&priv->lock, flags); @@ -327,9 +336,8 @@ void ipoib_flush_paths(struct net_device *dev) struct ipoib_dev_priv *priv = netdev_priv(dev); struct ipoib_path *path, *tp; LIST_HEAD(remove_list); - unsigned long flags; - spin_lock_irqsave(&priv->lock, flags); + spin_lock_irq(&priv->lock); list_splice(&priv->path_list, &remove_list); INIT_LIST_HEAD(&priv->path_list); @@ -337,14 +345,15 @@ void ipoib_flush_paths(struct net_device *dev) list_for_each_entry(path, &remove_list, list) rb_erase(&path->rb_node, &priv->path_tree); - spin_unlock_irqrestore(&priv->lock, flags); - list_for_each_entry_safe(path, tp, &remove_list, list) { if (path->query) ib_sa_cancel_query(path->query_id, path->query); + spin_unlock_irq(&priv->lock); wait_for_completion(&path->done); path_free(dev, path); + spin_lock_irq(&priv->lock); } + spin_unlock_irq(&priv->lock); } static void path_rec_completion(int status, @@ -373,16 +382,9 @@ static void path_rec_completion(int status, struct ib_ah_attr av = { .dlid = be16_to_cpu(pathrec->dlid), .sl = pathrec->sl, - .port_num = priv->port + .port_num = priv->port, + .static_rate = pathrec->rate }; - int path_rate = ib_sa_rate_enum_to_int(pathrec->rate); - - if (path_rate > 0 && priv->local_rate > path_rate) - av.static_rate = (priv->local_rate - 1) / path_rate; - - ipoib_dbg(priv, "static_rate %d for local port %dX, path %dX\n", - av.static_rate, priv->local_rate, - ib_sa_rate_enum_to_int(pathrec->rate)); ah = ipoib_create_ah(dev, priv->pd, &av); } @@ -481,7 +483,7 @@ static void neigh_add_path(struct sk_buff *skb, struct net_device *dev) struct ipoib_path *path; struct ipoib_neigh *neigh; - neigh = kmalloc(sizeof *neigh, GFP_ATOMIC); + neigh = ipoib_neigh_alloc(skb->dst->neighbour); if (!neigh) { ++priv->stats.tx_dropped; dev_kfree_skb_any(skb); @@ -489,8 +491,6 @@ static void neigh_add_path(struct sk_buff *skb, struct net_device *dev) } skb_queue_head_init(&neigh->queue); - neigh->neighbour = skb->dst->neighbour; - *to_ipoib_neigh(skb->dst->neighbour) = neigh; /* * We can only be called from ipoib_start_xmit, so we're @@ -503,7 +503,7 @@ static void neigh_add_path(struct sk_buff *skb, struct net_device *dev) path = path_rec_create(dev, (union ib_gid *) (skb->dst->neighbour->ha + 4)); if (!path) - goto err; + goto err_path; __path_add(dev, path); } @@ -521,17 +521,17 @@ static void neigh_add_path(struct sk_buff *skb, struct net_device *dev) __skb_queue_tail(&neigh->queue, skb); if (!path->query && path_rec_start(dev, path)) - goto err; + goto err_list; } spin_unlock(&priv->lock); return; -err: - *to_ipoib_neigh(skb->dst->neighbour) = NULL; +err_list: list_del(&neigh->list); - kfree(neigh); +err_path: + ipoib_neigh_free(neigh); ++priv->stats.tx_dropped; dev_kfree_skb_any(skb); @@ -763,8 +763,7 @@ static void ipoib_neigh_destructor(struct neighbour *n) if (neigh->ah) ah = neigh->ah; list_del(&neigh->list); - *to_ipoib_neigh(n) = NULL; - kfree(neigh); + ipoib_neigh_free(neigh); } spin_unlock_irqrestore(&priv->lock, flags); @@ -773,6 +772,26 @@ static void ipoib_neigh_destructor(struct neighbour *n) ipoib_put_ah(ah); } +struct ipoib_neigh *ipoib_neigh_alloc(struct neighbour *neighbour) +{ + struct ipoib_neigh *neigh; + + neigh = kmalloc(sizeof *neigh, GFP_ATOMIC); + if (!neigh) + return NULL; + + neigh->neighbour = neighbour; + *to_ipoib_neigh(neighbour) = neigh; + + return neigh; +} + +void ipoib_neigh_free(struct ipoib_neigh *neigh) +{ + *to_ipoib_neigh(neigh->neighbour) = NULL; + kfree(neigh); +} + static int ipoib_neigh_setup_dev(struct net_device *dev, struct neigh_parms *parms) { parms->neigh_destructor = ipoib_neigh_destructor; @@ -785,20 +804,19 @@ int ipoib_dev_init(struct net_device *dev, struct ib_device *ca, int port) struct ipoib_dev_priv *priv = netdev_priv(dev); /* Allocate RX/TX "rings" to hold queued skbs */ - - priv->rx_ring = kzalloc(IPOIB_RX_RING_SIZE * sizeof (struct ipoib_rx_buf), + priv->rx_ring = kzalloc(ipoib_recvq_size * sizeof *priv->rx_ring, GFP_KERNEL); if (!priv->rx_ring) { printk(KERN_WARNING "%s: failed to allocate RX ring (%d entries)\n", - ca->name, IPOIB_RX_RING_SIZE); + ca->name, ipoib_recvq_size); goto out; } - priv->tx_ring = kzalloc(IPOIB_TX_RING_SIZE * sizeof (struct ipoib_tx_buf), + priv->tx_ring = kzalloc(ipoib_sendq_size * sizeof *priv->tx_ring, GFP_KERNEL); if (!priv->tx_ring) { printk(KERN_WARNING "%s: failed to allocate TX ring (%d entries)\n", - ca->name, IPOIB_TX_RING_SIZE); + ca->name, ipoib_sendq_size); goto out_rx_ring_cleanup; } @@ -866,7 +884,7 @@ static void ipoib_setup(struct net_device *dev) dev->hard_header_len = IPOIB_ENCAP_LEN + INFINIBAND_ALEN; dev->addr_len = INFINIBAND_ALEN; dev->type = ARPHRD_INFINIBAND; - dev->tx_queue_len = IPOIB_TX_RING_SIZE * 2; + dev->tx_queue_len = ipoib_sendq_size * 2; dev->features = NETIF_F_VLAN_CHALLENGED | NETIF_F_LLTX; /* MTU will be reset when mcast join happens */ @@ -1118,6 +1136,14 @@ static int __init ipoib_init_module(void) { int ret; + ipoib_recvq_size = roundup_pow_of_two(ipoib_recvq_size); + ipoib_recvq_size = min(ipoib_recvq_size, IPOIB_MAX_QUEUE_SIZE); + ipoib_recvq_size = max(ipoib_recvq_size, IPOIB_MIN_QUEUE_SIZE); + + ipoib_sendq_size = roundup_pow_of_two(ipoib_sendq_size); + ipoib_sendq_size = min(ipoib_sendq_size, IPOIB_MAX_QUEUE_SIZE); + ipoib_sendq_size = max(ipoib_sendq_size, IPOIB_MIN_QUEUE_SIZE); + ret = ipoib_register_debugfs(); if (ret) return ret; diff --git a/drivers/infiniband/ulp/ipoib/ipoib_multicast.c b/drivers/infiniband/ulp/ipoib/ipoib_multicast.c index 93c462eaf4f..1dae4b23825 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib_multicast.c +++ b/drivers/infiniband/ulp/ipoib/ipoib_multicast.c @@ -114,8 +114,7 @@ static void ipoib_mcast_free(struct ipoib_mcast *mcast) */ if (neigh->ah) ipoib_put_ah(neigh->ah); - *to_ipoib_neigh(neigh->neighbour) = NULL; - kfree(neigh); + ipoib_neigh_free(neigh); } spin_unlock_irqrestore(&priv->lock, flags); @@ -251,6 +250,7 @@ static int ipoib_mcast_join_finish(struct ipoib_mcast *mcast, .port_num = priv->port, .sl = mcast->mcmember.sl, .ah_flags = IB_AH_GRH, + .static_rate = mcast->mcmember.rate, .grh = { .flow_label = be32_to_cpu(mcast->mcmember.flow_label), .hop_limit = mcast->mcmember.hop_limit, @@ -258,17 +258,8 @@ static int ipoib_mcast_join_finish(struct ipoib_mcast *mcast, .traffic_class = mcast->mcmember.traffic_class } }; - int path_rate = ib_sa_rate_enum_to_int(mcast->mcmember.rate); - av.grh.dgid = mcast->mcmember.mgid; - if (path_rate > 0 && priv->local_rate > path_rate) - av.static_rate = (priv->local_rate - 1) / path_rate; - - ipoib_dbg_mcast(priv, "static_rate %d for local port %dX, mcmember %dX\n", - av.static_rate, priv->local_rate, - ib_sa_rate_enum_to_int(mcast->mcmember.rate)); - ah = ipoib_create_ah(dev, priv->pd, &av); if (!ah) { ipoib_warn(priv, "ib_address_create failed\n"); @@ -618,6 +609,22 @@ int ipoib_mcast_start_thread(struct net_device *dev) return 0; } +static void wait_for_mcast_join(struct ipoib_dev_priv *priv, + struct ipoib_mcast *mcast) +{ + spin_lock_irq(&priv->lock); + if (mcast && mcast->query) { + ib_sa_cancel_query(mcast->query_id, mcast->query); + mcast->query = NULL; + spin_unlock_irq(&priv->lock); + ipoib_dbg_mcast(priv, "waiting for MGID " IPOIB_GID_FMT "\n", + IPOIB_GID_ARG(mcast->mcmember.mgid)); + wait_for_completion(&mcast->done); + } + else + spin_unlock_irq(&priv->lock); +} + int ipoib_mcast_stop_thread(struct net_device *dev, int flush) { struct ipoib_dev_priv *priv = netdev_priv(dev); @@ -637,28 +644,10 @@ int ipoib_mcast_stop_thread(struct net_device *dev, int flush) if (flush) flush_workqueue(ipoib_workqueue); - spin_lock_irq(&priv->lock); - if (priv->broadcast && priv->broadcast->query) { - ib_sa_cancel_query(priv->broadcast->query_id, priv->broadcast->query); - priv->broadcast->query = NULL; - spin_unlock_irq(&priv->lock); - ipoib_dbg_mcast(priv, "waiting for bcast\n"); - wait_for_completion(&priv->broadcast->done); - } else - spin_unlock_irq(&priv->lock); + wait_for_mcast_join(priv, priv->broadcast); - list_for_each_entry(mcast, &priv->multicast_list, list) { - spin_lock_irq(&priv->lock); - if (mcast->query) { - ib_sa_cancel_query(mcast->query_id, mcast->query); - mcast->query = NULL; - spin_unlock_irq(&priv->lock); - ipoib_dbg_mcast(priv, "waiting for MGID " IPOIB_GID_FMT "\n", - IPOIB_GID_ARG(mcast->mcmember.mgid)); - wait_for_completion(&mcast->done); - } else - spin_unlock_irq(&priv->lock); - } + list_for_each_entry(mcast, &priv->multicast_list, list) + wait_for_mcast_join(priv, mcast); return 0; } @@ -772,13 +761,11 @@ out: if (skb->dst && skb->dst->neighbour && !*to_ipoib_neigh(skb->dst->neighbour)) { - struct ipoib_neigh *neigh = kmalloc(sizeof *neigh, GFP_ATOMIC); + struct ipoib_neigh *neigh = ipoib_neigh_alloc(skb->dst->neighbour); if (neigh) { kref_get(&mcast->ah->ref); neigh->ah = mcast->ah; - neigh->neighbour = skb->dst->neighbour; - *to_ipoib_neigh(skb->dst->neighbour) = neigh; list_add_tail(&neigh->list, &mcast->neigh_list); } } @@ -913,6 +900,7 @@ void ipoib_mcast_restart_task(void *dev_ptr) /* We have to cancel outside of the spinlock */ list_for_each_entry_safe(mcast, tmcast, &remove_list, list) { + wait_for_mcast_join(priv, mcast); ipoib_mcast_leave(mcast->dev, mcast); ipoib_mcast_free(mcast); } diff --git a/drivers/infiniband/ulp/ipoib/ipoib_verbs.c b/drivers/infiniband/ulp/ipoib/ipoib_verbs.c index 5f0388027b2..1d49d1643c5 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib_verbs.c +++ b/drivers/infiniband/ulp/ipoib/ipoib_verbs.c @@ -159,8 +159,8 @@ int ipoib_transport_dev_init(struct net_device *dev, struct ib_device *ca) struct ipoib_dev_priv *priv = netdev_priv(dev); struct ib_qp_init_attr init_attr = { .cap = { - .max_send_wr = IPOIB_TX_RING_SIZE, - .max_recv_wr = IPOIB_RX_RING_SIZE, + .max_send_wr = ipoib_sendq_size, + .max_recv_wr = ipoib_recvq_size, .max_send_sge = 1, .max_recv_sge = 1 }, @@ -175,7 +175,7 @@ int ipoib_transport_dev_init(struct net_device *dev, struct ib_device *ca) } priv->cq = ib_create_cq(priv->ca, ipoib_ib_completion, NULL, dev, - IPOIB_TX_RING_SIZE + IPOIB_RX_RING_SIZE + 1); + ipoib_sendq_size + ipoib_recvq_size + 1); if (IS_ERR(priv->cq)) { printk(KERN_WARNING "%s: failed to create CQ\n", ca->name); goto out_free_pd; diff --git a/drivers/infiniband/ulp/srp/ib_srp.c b/drivers/infiniband/ulp/srp/ib_srp.c index fd8a95a9c5d..5bb55742ada 100644 --- a/drivers/infiniband/ulp/srp/ib_srp.c +++ b/drivers/infiniband/ulp/srp/ib_srp.c @@ -617,6 +617,14 @@ static void srp_unmap_data(struct scsi_cmnd *scmnd, scmnd->sc_data_direction); } +static void srp_remove_req(struct srp_target_port *target, struct srp_request *req, + int index) +{ + list_del(&req->list); + req->next = target->req_head; + target->req_head = index; +} + static void srp_process_rsp(struct srp_target_port *target, struct srp_rsp *rsp) { struct srp_request *req; @@ -664,9 +672,7 @@ static void srp_process_rsp(struct srp_target_port *target, struct srp_rsp *rsp) scmnd->host_scribble = (void *) -1L; scmnd->scsi_done(scmnd); - list_del(&req->list); - req->next = target->req_head; - target->req_head = rsp->tag & ~SRP_TAG_TSK_MGMT; + srp_remove_req(target, req, rsp->tag & ~SRP_TAG_TSK_MGMT); } else req->cmd_done = 1; } @@ -1188,12 +1194,10 @@ static int srp_send_tsk_mgmt(struct scsi_cmnd *scmnd, u8 func) spin_lock_irq(target->scsi_host->host_lock); if (req->cmd_done) { - list_del(&req->list); - req->next = target->req_head; - target->req_head = req_index; - + srp_remove_req(target, req, req_index); scmnd->scsi_done(scmnd); } else if (!req->tsk_status) { + srp_remove_req(target, req, req_index); scmnd->result = DID_ABORT << 16; ret = SUCCESS; } @@ -1434,6 +1438,7 @@ static int srp_parse_options(const char *buf, struct srp_target_port *target) p = match_strdup(args); if (strlen(p) != 32) { printk(KERN_WARNING PFX "bad dest GID parameter '%s'\n", p); + kfree(p); goto out; } |