linux 2.6.16.38 w/ vs2.0.3-rc1

[linux-2.6.git] / drivers / media / dvb / dvb-core / dvb_net.c

diff --git a/drivers/media/dvb/dvb-core/dvb_net.c b/drivers/media/dvb/dvb-core/dvb_net.c
index 2f0f358..bdc4914 100644 (file)
--- a/drivers/media/dvb/dvb-core/dvb_net.c
+++ b/drivers/media/dvb/dvb-core/dvb_net.c
@@ -62,7 +62,6 @@
 #include <linux/uio.h>
 #include <asm/uaccess.h>
 #include <linux/crc32.h>
-#include <linux/mutex.h>
 
 #include "dvb_demux.h"
 #include "dvb_net.h"
@@ -152,7 +151,8 @@ struct dvb_net_priv {
        unsigned char ule_bridged;              /* Whether the ULE_BRIDGED extension header was found. */
        int ule_sndu_remain;                    /* Nr. of bytes still required for current ULE SNDU. */
        unsigned long ts_count;                 /* Current ts cell counter. */
-       struct mutex mutex;
+
+       struct semaphore mutex;
 };
 
 
@@ -492,7 +492,8 @@ static void dvb_net_ule( struct net_device *dev, const u8 *buf, size_t buf_len )
                                } else
                                        priv->ule_dbit = 0;
 
-                               if (priv->ule_sndu_len > 32763) {
+                               if (priv->ule_sndu_len > 32763 ||
+                                   priv->ule_sndu_len < ((priv->ule_dbit) ? 4 : 4 + ETH_ALEN)) {
                                        printk(KERN_WARNING "%lu: Invalid ULE SNDU length %u. "
                                               "Resyncing.\n", priv->ts_count, priv->ule_sndu_len);
                                        priv->ule_sndu_len = 0;
@@ -889,7 +890,7 @@ static int dvb_net_feed_start(struct net_device *dev)
        unsigned char *mac = (unsigned char *) dev->dev_addr;
 
        dprintk("%s: rx_mode %i\n", __FUNCTION__, priv->rx_mode);
-       mutex_lock(&priv->mutex);
+       down(&priv->mutex);
        if (priv->tsfeed || priv->secfeed || priv->secfilter || priv->multi_secfilter[0])
                printk("%s: BUG %d\n", __FUNCTION__, __LINE__);
 
@@ -974,7 +975,7 @@ static int dvb_net_feed_start(struct net_device *dev)
                ret = -EINVAL;
 
 error:
-       mutex_unlock(&priv->mutex);
+       up(&priv->mutex);
        return ret;
 }
 
@@ -984,7 +985,7 @@ static int dvb_net_feed_stop(struct net_device *dev)
        int i, ret = 0;
 
        dprintk("%s\n", __FUNCTION__);
-       mutex_lock(&priv->mutex);
+       down(&priv->mutex);
        if (priv->feedtype == DVB_NET_FEEDTYPE_MPE) {
                if (priv->secfeed) {
                        if (priv->secfeed->is_filtering) {
@@ -1026,7 +1027,7 @@ static int dvb_net_feed_stop(struct net_device *dev)
                        printk("%s: no ts feed to stop\n", dev->name);
        } else
                ret = -EINVAL;
-       mutex_unlock(&priv->mutex);
+       up(&priv->mutex);
        return ret;
 }
 
@@ -1208,7 +1209,7 @@ static int dvb_net_add_if(struct dvb_net *dvbnet, u16 pid, u8 feedtype)
 
        INIT_WORK(&priv->set_multicast_list_wq, wq_set_multicast_list, net);
        INIT_WORK(&priv->restart_net_feed_wq, wq_restart_net_feed, net);
-       mutex_init(&priv->mutex);
+       init_MUTEX(&priv->mutex);
 
        net->base_addr = pid;