Merge branch 'v4l_for_linus' of git://linuxtv.org/fixes

* 'v4l_for_linus' of git://linuxtv.org/fixes:
  V4L/DVB: dvb-core: fix initialization of feeds list in demux filter
  V4L/DVB: dvb_demux: Don't use vmalloc at dvb_dmx_swfilter_packet
  V4L/DVB: Fix the risk of an oops at dvb_dmx_release

diff --git a/drivers/media/dvb/dvb-core/dmxdev.c b/drivers/media/dvb/dvb-core/dmxdev.c
index c37790a..9ddc579 100644 (file)
--- a/drivers/media/dvb/dvb-core/dmxdev.c
+++ b/drivers/media/dvb/dvb-core/dmxdev.c
@@ -761,7 +761,6 @@ static int dvb_demux_open(struct inode *inode, struct file *file)
        dvb_ringbuffer_init(&dmxdevfilter->buffer, NULL, 8192);
        dmxdevfilter->type = DMXDEV_TYPE_NONE;
        dvb_dmxdev_filter_state_set(dmxdevfilter, DMXDEV_STATE_ALLOCATED);
-       INIT_LIST_HEAD(&dmxdevfilter->feed.ts);
        init_timer(&dmxdevfilter->timer);
 
        dvbdev->users++;
@@ -887,6 +886,7 @@ static int dvb_dmxdev_pes_filter_set(struct dmxdev *dmxdev,
        dmxdevfilter->type = DMXDEV_TYPE_PES;
        memcpy(&dmxdevfilter->params, params,
               sizeof(struct dmx_pes_filter_params));
+       INIT_LIST_HEAD(&dmxdevfilter->feed.ts);
 
        dvb_dmxdev_filter_state_set(dmxdevfilter, DMXDEV_STATE_SET);
 

diff --git a/drivers/media/dvb/dvb-core/dvb_demux.c b/drivers/media/dvb/dvb-core/dvb_demux.c
index b78cfb7..67f189b 100644 (file)
--- a/drivers/media/dvb/dvb-core/dvb_demux.c
+++ b/drivers/media/dvb/dvb-core/dvb_demux.c
@@ -426,16 +426,7 @@ static void dvb_dmx_swfilter_packet(struct dvb_demux *demux, const u8 *buf)
                };
        };
 
-       if (dvb_demux_tscheck) {
-               if (!demux->cnt_storage)
-                       demux->cnt_storage = vmalloc(MAX_PID + 1);
-
-               if (!demux->cnt_storage) {
-                       printk(KERN_WARNING "Couldn't allocate memory for TS/TEI check. Disabling it\n");
-                       dvb_demux_tscheck = 0;
-                       goto no_dvb_demux_tscheck;
-               }
-
+       if (demux->cnt_storage) {
                /* check pkt counter */
                if (pid < MAX_PID) {
                        if (buf[1] & 0x80)
@@ -454,7 +445,6 @@ static void dvb_dmx_swfilter_packet(struct dvb_demux *demux, const u8 *buf)
                };
                /* end check */
        };
-no_dvb_demux_tscheck:
 
        list_for_each_entry(feed, &demux->feed_list, list_head) {
                if ((feed->pid != pid) && (feed->pid != 0x2000))
@@ -1246,6 +1236,7 @@ int dvb_dmx_init(struct dvb_demux *dvbdemux)
        dvbdemux->feed = vmalloc(dvbdemux->feednum * sizeof(struct dvb_demux_feed));
        if (!dvbdemux->feed) {
                vfree(dvbdemux->filter);
+               dvbdemux->filter = NULL;
                return -ENOMEM;
        }
        for (i = 0; i < dvbdemux->filternum; i++) {
@@ -1257,6 +1248,13 @@ int dvb_dmx_init(struct dvb_demux *dvbdemux)
                dvbdemux->feed[i].index = i;
        }
 
+       if (dvb_demux_tscheck) {
+               dvbdemux->cnt_storage = vmalloc(MAX_PID + 1);
+
+               if (!dvbdemux->cnt_storage)
+                       printk(KERN_WARNING "Couldn't allocate memory for TS/TEI check. Disabling it\n");
+       }
+
        INIT_LIST_HEAD(&dvbdemux->frontend_list);
 
        for (i = 0; i < DMX_TS_PES_OTHER; i++) {