Merge branch 'master' of /home/davem/src/GIT/linux-2.6/
diff --git a/MAINTAINERS b/MAINTAINERS
index 560ecce..f1bc3dc 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -4292,10 +4292,7 @@
F: net/sched/sch_netem.c
NETERION 10GbE DRIVERS (s2io/vxge)
-M: Ramkrishna Vepa <ramkrishna.vepa@exar.com>
-M: Sivakumar Subramani <sivakumar.subramani@exar.com>
-M: Sreenivasa Honnur <sreenivasa.honnur@exar.com>
-M: Jon Mason <jon.mason@exar.com>
+M: Jon Mason <jdmason@kudzu.us>
L: netdev@vger.kernel.org
W: http://trac.neterion.com/cgi-bin/trac.cgi/wiki/Linux?Anonymous
W: http://trac.neterion.com/cgi-bin/trac.cgi/wiki/X3100Linux?Anonymous
diff --git a/drivers/net/bnx2x/bnx2x.h b/drivers/net/bnx2x/bnx2x.h
index 7897d11..8849699 100644
--- a/drivers/net/bnx2x/bnx2x.h
+++ b/drivers/net/bnx2x/bnx2x.h
@@ -1211,6 +1211,7 @@
/* DCBX Negotation results */
struct dcbx_features dcbx_local_feat;
u32 dcbx_error;
+ u32 pending_max;
};
/**
@@ -1616,8 +1617,8 @@
/* CMNG constants, as derived from system spec calculations */
/* default MIN rate in case VNIC min rate is configured to zero - 100Mbps */
#define DEF_MIN_RATE 100
-/* resolution of the rate shaping timer - 100 usec */
-#define RS_PERIODIC_TIMEOUT_USEC 100
+/* resolution of the rate shaping timer - 400 usec */
+#define RS_PERIODIC_TIMEOUT_USEC 400
/* number of bytes in single QM arbitration cycle -
* coefficient for calculating the fairness timer */
#define QM_ARB_BYTES 160000
diff --git a/drivers/net/bnx2x/bnx2x_cmn.c b/drivers/net/bnx2x/bnx2x_cmn.c
index 9379812..a71b329 100644
--- a/drivers/net/bnx2x/bnx2x_cmn.c
+++ b/drivers/net/bnx2x/bnx2x_cmn.c
@@ -996,6 +996,23 @@
bnx2x_free_rx_skbs(bp);
}
+void bnx2x_update_max_mf_config(struct bnx2x *bp, u32 value)
+{
+ /* load old values */
+ u32 mf_cfg = bp->mf_config[BP_VN(bp)];
+
+ if (value != bnx2x_extract_max_cfg(bp, mf_cfg)) {
+ /* leave all but MAX value */
+ mf_cfg &= ~FUNC_MF_CFG_MAX_BW_MASK;
+
+ /* set new MAX value */
+ mf_cfg |= (value << FUNC_MF_CFG_MAX_BW_SHIFT)
+ & FUNC_MF_CFG_MAX_BW_MASK;
+
+ bnx2x_fw_command(bp, DRV_MSG_CODE_SET_MF_BW, mf_cfg);
+ }
+}
+
static void bnx2x_free_msix_irqs(struct bnx2x *bp)
{
int i, offset = 1;
@@ -1464,6 +1481,11 @@
bnx2x_set_eth_mac(bp, 1);
+ if (bp->pending_max) {
+ bnx2x_update_max_mf_config(bp, bp->pending_max);
+ bp->pending_max = 0;
+ }
+
if (bp->port.pmf)
bnx2x_initial_phy_init(bp, load_mode);
diff --git a/drivers/net/bnx2x/bnx2x_cmn.h b/drivers/net/bnx2x/bnx2x_cmn.h
index 326ba44..85ea7f2 100644
--- a/drivers/net/bnx2x/bnx2x_cmn.h
+++ b/drivers/net/bnx2x/bnx2x_cmn.h
@@ -341,6 +341,15 @@
*/
int bnx2x_set_power_state(struct bnx2x *bp, pci_power_t state);
+/**
+ * Updates MAX part of MF configuration in HW
+ * (if required)
+ *
+ * @param bp
+ * @param value
+ */
+void bnx2x_update_max_mf_config(struct bnx2x *bp, u32 value);
+
/* dev_close main block */
int bnx2x_nic_unload(struct bnx2x *bp, int unload_mode);
diff --git a/drivers/net/bnx2x/bnx2x_ethtool.c b/drivers/net/bnx2x/bnx2x_ethtool.c
index ef29199..7e92f9d 100644
--- a/drivers/net/bnx2x/bnx2x_ethtool.c
+++ b/drivers/net/bnx2x/bnx2x_ethtool.c
@@ -238,7 +238,7 @@
speed |= (cmd->speed_hi << 16);
if (IS_MF_SI(bp)) {
- u32 param = 0, part;
+ u32 part;
u32 line_speed = bp->link_vars.line_speed;
/* use 10G if no link detected */
@@ -251,24 +251,22 @@
REQ_BC_VER_4_SET_MF_BW);
return -EINVAL;
}
+
part = (speed * 100) / line_speed;
+
if (line_speed < speed || !part) {
BNX2X_DEV_INFO("Speed setting should be in a range "
"from 1%% to 100%% "
"of actual line speed\n");
return -EINVAL;
}
- /* load old values */
- param = bp->mf_config[BP_VN(bp)];
- /* leave only MIN value */
- param &= FUNC_MF_CFG_MIN_BW_MASK;
+ if (bp->state != BNX2X_STATE_OPEN)
+ /* store value for following "load" */
+ bp->pending_max = part;
+ else
+ bnx2x_update_max_mf_config(bp, part);
- /* set new MAX value */
- param |= (part << FUNC_MF_CFG_MAX_BW_SHIFT)
- & FUNC_MF_CFG_MAX_BW_MASK;
-
- bnx2x_fw_command(bp, DRV_MSG_CODE_SET_MF_BW, param);
return 0;
}
diff --git a/drivers/net/bnx2x/bnx2x_main.c b/drivers/net/bnx2x/bnx2x_main.c
index 032ae18..aa03233 100644
--- a/drivers/net/bnx2x/bnx2x_main.c
+++ b/drivers/net/bnx2x/bnx2x_main.c
@@ -2092,8 +2092,9 @@
bnx2x_calc_vn_weight_sum(bp);
/* calculate and set min-max rate for each vn */
- for (vn = VN_0; vn < E1HVN_MAX; vn++)
- bnx2x_init_vn_minmax(bp, vn);
+ if (bp->port.pmf)
+ for (vn = VN_0; vn < E1HVN_MAX; vn++)
+ bnx2x_init_vn_minmax(bp, vn);
/* always enable rate shaping and fairness */
bp->cmng.flags.cmng_enables |=
@@ -2162,13 +2163,6 @@
bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
}
- /* indicate link status only if link status actually changed */
- if (prev_link_status != bp->link_vars.link_status)
- bnx2x_link_report(bp);
-
- if (IS_MF(bp))
- bnx2x_link_sync_notify(bp);
-
if (bp->link_vars.link_up && bp->link_vars.line_speed) {
int cmng_fns = bnx2x_get_cmng_fns_mode(bp);
@@ -2180,6 +2174,13 @@
DP(NETIF_MSG_IFUP,
"single function mode without fairness\n");
}
+
+ if (IS_MF(bp))
+ bnx2x_link_sync_notify(bp);
+
+ /* indicate link status only if link status actually changed */
+ if (prev_link_status != bp->link_vars.link_status)
+ bnx2x_link_report(bp);
}
void bnx2x__link_status_update(struct bnx2x *bp)
diff --git a/drivers/net/bonding/bond_3ad.c b/drivers/net/bonding/bond_3ad.c
index 1024ae1..a5d5d0b 100644
--- a/drivers/net/bonding/bond_3ad.c
+++ b/drivers/net/bonding/bond_3ad.c
@@ -281,23 +281,23 @@
}
/**
- * __get_rx_machine_lock - lock the port's RX machine
+ * __get_state_machine_lock - lock the port's state machines
* @port: the port we're looking at
*
*/
-static inline void __get_rx_machine_lock(struct port *port)
+static inline void __get_state_machine_lock(struct port *port)
{
- spin_lock_bh(&(SLAVE_AD_INFO(port->slave).rx_machine_lock));
+ spin_lock_bh(&(SLAVE_AD_INFO(port->slave).state_machine_lock));
}
/**
- * __release_rx_machine_lock - unlock the port's RX machine
+ * __release_state_machine_lock - unlock the port's state machines
* @port: the port we're looking at
*
*/
-static inline void __release_rx_machine_lock(struct port *port)
+static inline void __release_state_machine_lock(struct port *port)
{
- spin_unlock_bh(&(SLAVE_AD_INFO(port->slave).rx_machine_lock));
+ spin_unlock_bh(&(SLAVE_AD_INFO(port->slave).state_machine_lock));
}
/**
@@ -388,14 +388,14 @@
}
/**
- * __initialize_port_locks - initialize a port's RX machine spinlock
+ * __initialize_port_locks - initialize a port's STATE machine spinlock
* @port: the port we're looking at
*
*/
static inline void __initialize_port_locks(struct port *port)
{
// make sure it isn't called twice
- spin_lock_init(&(SLAVE_AD_INFO(port->slave).rx_machine_lock));
+ spin_lock_init(&(SLAVE_AD_INFO(port->slave).state_machine_lock));
}
//conversions
@@ -1025,9 +1025,6 @@
{
rx_states_t last_state;
- // Lock to prevent 2 instances of this function to run simultaneously(rx interrupt and periodic machine callback)
- __get_rx_machine_lock(port);
-
// keep current State Machine state to compare later if it was changed
last_state = port->sm_rx_state;
@@ -1133,7 +1130,6 @@
pr_err("%s: An illegal loopback occurred on adapter (%s).\n"
"Check the configuration to verify that all adapters are connected to 802.3ad compliant switch ports\n",
port->slave->dev->master->name, port->slave->dev->name);
- __release_rx_machine_lock(port);
return;
}
__update_selected(lacpdu, port);
@@ -1153,7 +1149,6 @@
break;
}
}
- __release_rx_machine_lock(port);
}
/**
@@ -2155,6 +2150,12 @@
goto re_arm;
}
+ /* Lock around state machines to protect data accessed
+ * by all (e.g., port->sm_vars). ad_rx_machine may run
+ * concurrently due to incoming LACPDU.
+ */
+ __get_state_machine_lock(port);
+
ad_rx_machine(NULL, port);
ad_periodic_machine(port);
ad_port_selection_logic(port);
@@ -2164,6 +2165,8 @@
// turn off the BEGIN bit, since we already handled it
if (port->sm_vars & AD_PORT_BEGIN)
port->sm_vars &= ~AD_PORT_BEGIN;
+
+ __release_state_machine_lock(port);
}
re_arm:
@@ -2200,7 +2203,10 @@
case AD_TYPE_LACPDU:
pr_debug("Received LACPDU on port %d\n",
port->actor_port_number);
+ /* Protect against concurrent state machines */
+ __get_state_machine_lock(port);
ad_rx_machine(lacpdu, port);
+ __release_state_machine_lock(port);
break;
case AD_TYPE_MARKER:
diff --git a/drivers/net/bonding/bond_3ad.h b/drivers/net/bonding/bond_3ad.h
index 2c46a154..b28baff 100644
--- a/drivers/net/bonding/bond_3ad.h
+++ b/drivers/net/bonding/bond_3ad.h
@@ -264,7 +264,8 @@
struct ad_slave_info {
struct aggregator aggregator; // 802.3ad aggregator structure
struct port port; // 802.3ad port structure
- spinlock_t rx_machine_lock; // To avoid race condition between callback and receive interrupt
+ spinlock_t state_machine_lock; /* mutex state machines vs.
+ incoming LACPDU */
u16 id;
};
diff --git a/drivers/net/macvtap.c b/drivers/net/macvtap.c
index 5933621..fc27a99 100644
--- a/drivers/net/macvtap.c
+++ b/drivers/net/macvtap.c
@@ -528,8 +528,9 @@
vnet_hdr_len = q->vnet_hdr_sz;
err = -EINVAL;
- if ((len -= vnet_hdr_len) < 0)
+ if (len < vnet_hdr_len)
goto err;
+ len -= vnet_hdr_len;
err = memcpy_fromiovecend((void *)&vnet_hdr, iv, 0,
sizeof(vnet_hdr));
diff --git a/drivers/net/r6040.c b/drivers/net/r6040.c
index 27e6f6d..e3ebd90 100644
--- a/drivers/net/r6040.c
+++ b/drivers/net/r6040.c
@@ -49,8 +49,8 @@
#include <asm/processor.h>
#define DRV_NAME "r6040"
-#define DRV_VERSION "0.26"
-#define DRV_RELDATE "30May2010"
+#define DRV_VERSION "0.27"
+#define DRV_RELDATE "23Feb2011"
/* PHY CHIP Address */
#define PHY1_ADDR 1 /* For MAC1 */
@@ -69,6 +69,8 @@
/* MAC registers */
#define MCR0 0x00 /* Control register 0 */
+#define MCR0_PROMISC 0x0020 /* Promiscuous mode */
+#define MCR0_HASH_EN 0x0100 /* Enable multicast hash table function */
#define MCR1 0x04 /* Control register 1 */
#define MAC_RST 0x0001 /* Reset the MAC */
#define MBCR 0x08 /* Bus control */
@@ -851,77 +853,92 @@
{
struct r6040_private *lp = netdev_priv(dev);
void __iomem *ioaddr = lp->base;
- u16 *adrp;
- u16 reg;
unsigned long flags;
struct netdev_hw_addr *ha;
int i;
+ u16 *adrp;
+ u16 hash_table[4] = { 0 };
- /* MAC Address */
+ spin_lock_irqsave(&lp->lock, flags);
+
+ /* Keep our MAC Address */
adrp = (u16 *)dev->dev_addr;
iowrite16(adrp[0], ioaddr + MID_0L);
iowrite16(adrp[1], ioaddr + MID_0M);
iowrite16(adrp[2], ioaddr + MID_0H);
- /* Promiscous Mode */
- spin_lock_irqsave(&lp->lock, flags);
-
/* Clear AMCP & PROM bits */
- reg = ioread16(ioaddr) & ~0x0120;
- if (dev->flags & IFF_PROMISC) {
- reg |= 0x0020;
- lp->mcr0 |= 0x0020;
- }
- /* Too many multicast addresses
- * accept all traffic */
- else if ((netdev_mc_count(dev) > MCAST_MAX) ||
- (dev->flags & IFF_ALLMULTI))
- reg |= 0x0020;
+ lp->mcr0 = ioread16(ioaddr + MCR0) & ~(MCR0_PROMISC | MCR0_HASH_EN);
- iowrite16(reg, ioaddr);
- spin_unlock_irqrestore(&lp->lock, flags);
+ /* Promiscuous mode */
+ if (dev->flags & IFF_PROMISC)
+ lp->mcr0 |= MCR0_PROMISC;
- /* Build the hash table */
- if (netdev_mc_count(dev) > MCAST_MAX) {
- u16 hash_table[4];
- u32 crc;
+ /* Enable multicast hash table function to
+ * receive all multicast packets. */
+ else if (dev->flags & IFF_ALLMULTI) {
+ lp->mcr0 |= MCR0_HASH_EN;
+
+ for (i = 0; i < MCAST_MAX ; i++) {
+ iowrite16(0, ioaddr + MID_1L + 8 * i);
+ iowrite16(0, ioaddr + MID_1M + 8 * i);
+ iowrite16(0, ioaddr + MID_1H + 8 * i);
+ }
for (i = 0; i < 4; i++)
- hash_table[i] = 0;
-
+ hash_table[i] = 0xffff;
+ }
+ /* Use internal multicast address registers if the number of
+ * multicast addresses is not greater than MCAST_MAX. */
+ else if (netdev_mc_count(dev) <= MCAST_MAX) {
+ i = 0;
netdev_for_each_mc_addr(ha, dev) {
- char *addrs = ha->addr;
-
- if (!(*addrs & 1))
- continue;
-
- crc = ether_crc_le(6, addrs);
- crc >>= 26;
- hash_table[crc >> 4] |= 1 << (15 - (crc & 0xf));
+ u16 *adrp = (u16 *) ha->addr;
+ iowrite16(adrp[0], ioaddr + MID_1L + 8 * i);
+ iowrite16(adrp[1], ioaddr + MID_1M + 8 * i);
+ iowrite16(adrp[2], ioaddr + MID_1H + 8 * i);
+ i++;
}
- /* Fill the MAC hash tables with their values */
+ while (i < MCAST_MAX) {
+ iowrite16(0, ioaddr + MID_1L + 8 * i);
+ iowrite16(0, ioaddr + MID_1M + 8 * i);
+ iowrite16(0, ioaddr + MID_1H + 8 * i);
+ i++;
+ }
+ }
+ /* Otherwise, Enable multicast hash table function. */
+ else {
+ u32 crc;
+
+ lp->mcr0 |= MCR0_HASH_EN;
+
+ for (i = 0; i < MCAST_MAX ; i++) {
+ iowrite16(0, ioaddr + MID_1L + 8 * i);
+ iowrite16(0, ioaddr + MID_1M + 8 * i);
+ iowrite16(0, ioaddr + MID_1H + 8 * i);
+ }
+
+ /* Build multicast hash table */
+ netdev_for_each_mc_addr(ha, dev) {
+ u8 *addrs = ha->addr;
+
+ crc = ether_crc(ETH_ALEN, addrs);
+ crc >>= 26;
+ hash_table[crc >> 4] |= 1 << (crc & 0xf);
+ }
+ }
+
+ iowrite16(lp->mcr0, ioaddr + MCR0);
+
+ /* Fill the MAC hash tables with their values */
+ if (lp->mcr0 && MCR0_HASH_EN) {
iowrite16(hash_table[0], ioaddr + MAR0);
iowrite16(hash_table[1], ioaddr + MAR1);
iowrite16(hash_table[2], ioaddr + MAR2);
iowrite16(hash_table[3], ioaddr + MAR3);
}
- /* Multicast Address 1~4 case */
- i = 0;
- netdev_for_each_mc_addr(ha, dev) {
- if (i >= MCAST_MAX)
- break;
- adrp = (u16 *) ha->addr;
- iowrite16(adrp[0], ioaddr + MID_1L + 8 * i);
- iowrite16(adrp[1], ioaddr + MID_1M + 8 * i);
- iowrite16(adrp[2], ioaddr + MID_1H + 8 * i);
- i++;
- }
- while (i < MCAST_MAX) {
- iowrite16(0xffff, ioaddr + MID_1L + 8 * i);
- iowrite16(0xffff, ioaddr + MID_1M + 8 * i);
- iowrite16(0xffff, ioaddr + MID_1H + 8 * i);
- i++;
- }
+
+ spin_unlock_irqrestore(&lp->lock, flags);
}
static void netdev_get_drvinfo(struct net_device *dev,
diff --git a/drivers/net/smsc911x.c b/drivers/net/smsc911x.c
index 64bfdae..d70bde95 100644
--- a/drivers/net/smsc911x.c
+++ b/drivers/net/smsc911x.c
@@ -1178,6 +1178,11 @@
smsc911x_reg_write(pdata, HW_CFG, 0x00050000);
smsc911x_reg_write(pdata, AFC_CFG, 0x006E3740);
+ /* Increase the legal frame size of VLAN tagged frames to 1522 bytes */
+ spin_lock_irq(&pdata->mac_lock);
+ smsc911x_mac_write(pdata, VLAN1, ETH_P_8021Q);
+ spin_unlock_irq(&pdata->mac_lock);
+
/* Make sure EEPROM has finished loading before setting GPIO_CFG */
timeout = 50;
while ((smsc911x_reg_read(pdata, E2P_CMD) & E2P_CMD_EPC_BUSY_) &&
diff --git a/net/Makefile b/net/Makefile
index a3330eb..a51d946 100644
--- a/net/Makefile
+++ b/net/Makefile
@@ -19,9 +19,7 @@
obj-$(CONFIG_INET) += ipv4/
obj-$(CONFIG_XFRM) += xfrm/
obj-$(CONFIG_UNIX) += unix/
-ifneq ($(CONFIG_IPV6),)
-obj-y += ipv6/
-endif
+obj-$(CONFIG_NET) += ipv6/
obj-$(CONFIG_PACKET) += packet/
obj-$(CONFIG_NET_KEY) += key/
obj-$(CONFIG_BRIDGE) += bridge/
diff --git a/net/bridge/Kconfig b/net/bridge/Kconfig
index 9190ae4..6dee7bf 100644
--- a/net/bridge/Kconfig
+++ b/net/bridge/Kconfig
@@ -6,6 +6,7 @@
tristate "802.1d Ethernet Bridging"
select LLC
select STP
+ depends on IPV6 || IPV6=n
---help---
If you say Y here, then your Linux box will be able to act as an
Ethernet bridge, which means that the different Ethernet segments it
diff --git a/net/core/pktgen.c b/net/core/pktgen.c
index a9e7fc4..b5bada9 100644
--- a/net/core/pktgen.c
+++ b/net/core/pktgen.c
@@ -3321,7 +3321,7 @@
pkt_dev->started_at);
ktime_t idle = ns_to_ktime(pkt_dev->idle_acc);
- p += sprintf(p, "OK: %llu(c%llu+d%llu) nsec, %llu (%dbyte,%dfrags)\n",
+ p += sprintf(p, "OK: %llu(c%llu+d%llu) usec, %llu (%dbyte,%dfrags)\n",
(unsigned long long)ktime_to_us(elapsed),
(unsigned long long)ktime_to_us(ktime_sub(elapsed, idle)),
(unsigned long long)ktime_to_us(idle),
diff --git a/net/ipv4/devinet.c b/net/ipv4/devinet.c
index df4616f..036652c 100644
--- a/net/ipv4/devinet.c
+++ b/net/ipv4/devinet.c
@@ -670,7 +670,7 @@
ifap = &ifa->ifa_next) {
if (!strcmp(ifr.ifr_name, ifa->ifa_label) &&
sin_orig.sin_addr.s_addr ==
- ifa->ifa_address) {
+ ifa->ifa_local) {
break; /* found */
}
}
@@ -1040,8 +1040,8 @@
return;
arp_send(ARPOP_REQUEST, ETH_P_ARP,
- ifa->ifa_address, dev,
- ifa->ifa_address, NULL,
+ ifa->ifa_local, dev,
+ ifa->ifa_local, NULL,
dev->dev_addr, NULL);
}
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index 904312e..e7db701 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -739,8 +739,10 @@
if (!rt->rt6i_nexthop && !(rt->rt6i_flags & RTF_NONEXTHOP))
nrt = rt6_alloc_cow(rt, &fl->fl6_dst, &fl->fl6_src);
- else
+ else if (!(rt->dst.flags & DST_HOST))
nrt = rt6_alloc_clone(rt, &fl->fl6_dst);
+ else
+ goto out2;
dst_release(&rt->dst);
rt = nrt ? : net->ipv6.ip6_null_entry;
diff --git a/net/rds/ib_send.c b/net/rds/ib_send.c
index 71f373c..c47a511 100644
--- a/net/rds/ib_send.c
+++ b/net/rds/ib_send.c
@@ -551,7 +551,10 @@
if (conn->c_loopback
&& rm->m_inc.i_hdr.h_flags & RDS_FLAG_CONG_BITMAP) {
rds_cong_map_updated(conn->c_fcong, ~(u64) 0);
- return sizeof(struct rds_header) + RDS_CONG_MAP_BYTES;
+ scat = &rm->data.op_sg[sg];
+ ret = sizeof(struct rds_header) + RDS_CONG_MAP_BYTES;
+ ret = min_t(int, ret, scat->length - conn->c_xmit_data_off);
+ return ret;
}
/* FIXME we may overallocate here */
diff --git a/net/rds/loop.c b/net/rds/loop.c
index aeec1d4..bca6761 100644
--- a/net/rds/loop.c
+++ b/net/rds/loop.c
@@ -61,10 +61,15 @@
unsigned int hdr_off, unsigned int sg,
unsigned int off)
{
+ struct scatterlist *sgp = &rm->data.op_sg[sg];
+ int ret = sizeof(struct rds_header) +
+ be32_to_cpu(rm->m_inc.i_hdr.h_len);
+
/* Do not send cong updates to loopback */
if (rm->m_inc.i_hdr.h_flags & RDS_FLAG_CONG_BITMAP) {
rds_cong_map_updated(conn->c_fcong, ~(u64) 0);
- return sizeof(struct rds_header) + RDS_CONG_MAP_BYTES;
+ ret = min_t(int, ret, sgp->length - conn->c_xmit_data_off);
+ goto out;
}
BUG_ON(hdr_off || sg || off);
@@ -80,8 +85,8 @@
NULL);
rds_inc_put(&rm->m_inc);
-
- return sizeof(struct rds_header) + be32_to_cpu(rm->m_inc.i_hdr.h_len);
+out:
+ return ret;
}
/*
diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c
index dd419d2..437a99e 100644
--- a/net/unix/af_unix.c
+++ b/net/unix/af_unix.c
@@ -1724,7 +1724,11 @@
msg->msg_namelen = 0;
- mutex_lock(&u->readlock);
+ err = mutex_lock_interruptible(&u->readlock);
+ if (err) {
+ err = sock_intr_errno(sock_rcvtimeo(sk, noblock));
+ goto out;
+ }
skb = skb_recv_datagram(sk, flags, noblock, &err);
if (!skb) {
@@ -1864,7 +1868,11 @@
memset(&tmp_scm, 0, sizeof(tmp_scm));
}
- mutex_lock(&u->readlock);
+ err = mutex_lock_interruptible(&u->readlock);
+ if (err) {
+ err = sock_intr_errno(timeo);
+ goto out;
+ }
do {
int chunk;
@@ -1895,11 +1903,12 @@
timeo = unix_stream_data_wait(sk, timeo);
- if (signal_pending(current)) {
+ if (signal_pending(current)
+ || mutex_lock_interruptible(&u->readlock)) {
err = sock_intr_errno(timeo);
goto out;
}
- mutex_lock(&u->readlock);
+
continue;
unlock:
unix_state_unlock(sk);
