Merge branch 'v3.1-rc10' into for-3.2/core

Conflicts:
	block/blk-core.c
	include/linux/blkdev.h

Signed-off-by: Jens Axboe <axboe@kernel.dk>

4 files changed, 14 insertions, 7 deletions

diff --git a/drivers/net/can/mscan/mscan.c b/drivers/net/can/mscan/mscan.c
index 92feac68b66e..4cc6f44c2ba2 100644
--- a/drivers/net/can/mscan/mscan.c
+++ b/drivers/net/can/mscan/mscan.c
@@ -261,11 +261,13 @@ static netdev_tx_t mscan_start_xmit(struct sk_buff *skb, struct net_device *dev)
                 void __iomem *data = &regs->tx.dsr1_0;
                 u16 *payload = (u16 *)frame->data;
 
-                /* It is safe to write into dsr[dlc+1] */
-                for (i = 0; i < (frame->can_dlc + 1) / 2; i++) {
+                for (i = 0; i < frame->can_dlc / 2; i++) {
                         out_be16(data, *payload++);
                         data += 2 + _MSCAN_RESERVED_DSR_SIZE;
                 }
+                /* write remaining byte if necessary */
+                if (frame->can_dlc & 1)
+                        out_8(data, frame->data[frame->can_dlc - 1]);
         }
 
         out_8(&regs->tx.dlr, frame->can_dlc);
@@ -330,10 +332,13 @@ static void mscan_get_rx_frame(struct net_device *dev, struct can_frame *frame)
                 void __iomem *data = &regs->rx.dsr1_0;
                 u16 *payload = (u16 *)frame->data;
 
-                for (i = 0; i < (frame->can_dlc + 1) / 2; i++) {
+                for (i = 0; i < frame->can_dlc / 2; i++) {
                         *payload++ = in_be16(data);
                         data += 2 + _MSCAN_RESERVED_DSR_SIZE;
                 }
+                /* read remaining byte if necessary */
+                if (frame->can_dlc & 1)
+                        frame->data[frame->can_dlc - 1] = in_8(data);
         }
 
         out_8(&regs->canrflg, MSCAN_RXF);
diff --git a/drivers/net/can/sja1000/plx_pci.c b/drivers/net/can/sja1000/plx_pci.c
index 231385b8e08f..c7f3d4ea1167 100644
--- a/drivers/net/can/sja1000/plx_pci.c
+++ b/drivers/net/can/sja1000/plx_pci.c
@@ -408,7 +408,7 @@ static void plx_pci_del_card(struct pci_dev *pdev)
         struct sja1000_priv *priv;
         int i = 0;
 
-        for (i = 0; i < card->channels; i++) {
+        for (i = 0; i < PLX_PCI_MAX_CHAN; i++) {
                 dev = card->net_dev[i];
                 if (!dev)
                         continue;
@@ -536,7 +536,6 @@ static int __devinit plx_pci_add_card(struct pci_dev *pdev,
                         if (err) {
                                 dev_err(&pdev->dev, "Registering device failed "
                                         "(err=%d)\n", err);
-                                free_sja1000dev(dev);
                                 goto failure_cleanup;
                         }
 
@@ -549,6 +548,7 @@ static int __devinit plx_pci_add_card(struct pci_dev *pdev,
                         dev_err(&pdev->dev, "Channel #%d not detected\n",
                                 i + 1);
                         free_sja1000dev(dev);
+                        card->net_dev[i] = NULL;
                 }
         }
 
diff --git a/drivers/net/can/slcan.c b/drivers/net/can/slcan.c
index f523f1cc5142..4b70b7e8bdeb 100644
--- a/drivers/net/can/slcan.c
+++ b/drivers/net/can/slcan.c
@@ -197,7 +197,7 @@ static void slc_bump(struct slcan *sl)
         skb->ip_summed = CHECKSUM_UNNECESSARY;
         memcpy(skb_put(skb, sizeof(struct can_frame)),
                &cf, sizeof(struct can_frame));
-        netif_rx(skb);
+        netif_rx_ni(skb);
 
         sl->dev->stats.rx_packets++;
         sl->dev->stats.rx_bytes += cf.can_dlc;
diff --git a/drivers/net/can/ti_hecc.c b/drivers/net/can/ti_hecc.c
index f7bbde9eb2cb..2adc294f512a 100644
--- a/drivers/net/can/ti_hecc.c
+++ b/drivers/net/can/ti_hecc.c
@@ -46,6 +46,7 @@
 #include <linux/skbuff.h>
 #include <linux/platform_device.h>
 #include <linux/clk.h>
+#include <linux/io.h>
 
 #include <linux/can/dev.h>
 #include <linux/can/error.h>
@@ -503,9 +504,9 @@ static netdev_tx_t ti_hecc_xmit(struct sk_buff *skb, struct net_device *ndev)
         spin_unlock_irqrestore(&priv->mbx_lock, flags);
 
         /* Prepare mailbox for transmission */
+        data = cf->can_dlc | (get_tx_head_prio(priv) << 8);
         if (cf->can_id & CAN_RTR_FLAG) /* Remote transmission request */
                 data |= HECC_CANMCF_RTR;
-        data |= get_tx_head_prio(priv) << 8;
         hecc_write_mbx(priv, mbxno, HECC_CANMCF, data);
 
         if (cf->can_id & CAN_EFF_FLAG) /* Extended frame format */
@@ -923,6 +924,7 @@ static int ti_hecc_probe(struct platform_device *pdev)
         priv->can.do_get_state = ti_hecc_get_state;
         priv->can.ctrlmode_supported = CAN_CTRLMODE_3_SAMPLES;
 
+        spin_lock_init(&priv->mbx_lock);
         ndev->irq = irq->start;
         ndev->flags |= IFF_ECHO;
         platform_set_drvdata(pdev, ndev);