X-Git-Url: https://bbs.cooldavid.org/git/?a=blobdiff_plain;f=drivers%2Fmedia%2Fdvb%2Fttpci%2Fav7110_av.c;h=952b33dbac4f33e4c2ee18496d3b26f149d60192;hb=0851668fdd97e526b2a41f794b785c204dd3d3e0;hp=244d5d51f5f970fc950073d931b284cbed05e18a;hpb=00ebb6382b8d9c7c15b5f8ad230670d8161d38dd;p=net-next-2.6.git

diff --git a/drivers/media/dvb/ttpci/av7110_av.c b/drivers/media/dvb/ttpci/av7110_av.c
index 244d5d51f5f..952b33dbac4 100644
--- a/drivers/media/dvb/ttpci/av7110_av.c
+++ b/drivers/media/dvb/ttpci/av7110_av.c
@@ -245,8 +245,11 @@ int av7110_pes_play(void *dest, struct dvb_ringbuffer *buf, int dlen)
 		return -1;
 	}
 	while (1) {
-		if ((len = dvb_ringbuffer_avail(buf)) < 6)
+		len = dvb_ringbuffer_avail(buf);
+		if (len < 6) {
+			wake_up(&buf->queue);
 			return -1;
+		}
 		sync =  DVB_RINGBUFFER_PEEK(buf, 0) << 24;
 		sync |= DVB_RINGBUFFER_PEEK(buf, 1) << 16;
 		sync |= DVB_RINGBUFFER_PEEK(buf, 2) << 8;