evie/android_kernel_oneplus_msm8998
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media: dvb-core: Add feed state check before stop dvbdemux feed

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Add feed state check whether any filter is configured on dvbdemux
feed before feed stop is called. If any filter is started the feed
status should be set to DMX_STATE_GO.

CRs-Fixed: 1090466
Change-Id: If9e87065bb9fb82befb398f2a3a0d0da2f76efa5
Signed-off-by: Udaya Mallavarapu <udaym@codeaurora.org>
This commit is contained in:
Udaya Mallavarapu 2016-12-07 13:16:21 +05:30 • committed by Gerrit - the friendly Code Review server
parent 69352ff8b4
commit 34cbae8bc5
2 changed files with 15 additions and 2 deletions
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5
drivers/media/dvb-core/dvb_demux.c
View file

@ -2840,6 +2840,11 @@ static int dmx_section_feed_stop_filtering(struct dmx_section_feed *feed)
mutex_lock(&dvbdmx->mutex); mutex_lock(&dvbdmx->mutex);
if (dvbdmxfeed->state < DMX_STATE_GO) {
mutex_unlock(&dvbdmx->mutex);
return -EINVAL;
}
if (!dvbdmx->stop_feed) { if (!dvbdmx->stop_feed) {
mutex_unlock(&dvbdmx->mutex); mutex_unlock(&dvbdmx->mutex);
return -ENODEV; return -ENODEV;

12
drivers/media/platform/msm/dvb/demux/mpq_dmx_plugin_common.c
View file

@ -1801,7 +1801,11 @@ int mpq_dmx_terminate_feed(struct dvb_demux_feed *feed)
} }
mpq_sdmx_close_session(mpq_demux); mpq_sdmx_close_session(mpq_demux);
mpq_demux->num_secure_feeds--; if (mpq_demux->num_secure_feeds > 0)
mpq_demux->num_secure_feeds--;
else
MPQ_DVB_DBG_PRINT("%s: Invalid secure feed count= %u\n",
__func__, mpq_demux->num_secure_feeds);
} }
if (dvb_dmx_is_video_feed(feed)) { if (dvb_dmx_is_video_feed(feed)) {
@ -1818,7 +1822,11 @@ int mpq_dmx_terminate_feed(struct dvb_demux_feed *feed)
} }
mpq_sdmx_terminate_metadata_buffer(mpq_feed); mpq_sdmx_terminate_metadata_buffer(mpq_feed);
mpq_demux->num_active_feeds--; if (mpq_demux->num_active_feeds > 0)
mpq_demux->num_active_feeds--;
else
MPQ_DVB_DBG_PRINT("%s: Invalid num_active_feeds count = %u\n",
__func__, mpq_demux->num_active_feeds);
mutex_unlock(&mpq_demux->mutex); mutex_unlock(&mpq_demux->mutex);