diff mbox

[2/4] DVB: dvb_frontend: avoid possible race condition on first event

Message ID 1312471995-26292-2-git-send-email-obi@linuxtv.org (mailing list archive)
State Accepted, archived
Headers

Commit Message

Andreas Oberritter Aug. 4, 2011, 3:33 p.m. UTC 
  - Make sure the initial frontend event on FE_SET_FRONTEND gets
  enqueued before the frontend thread wakes up.

Signed-off-by: Andreas Oberritter <obi@linuxtv.org>
---
 drivers/media/dvb/dvb-core/dvb_frontend.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
diff mbox

Patch

diff --git a/drivers/media/dvb/dvb-core/dvb_frontend.c b/drivers/media/dvb/dvb-core/dvb_frontend.c
index 23d79d0..45ea843 100644
--- a/drivers/media/dvb/dvb-core/dvb_frontend.c
+++ b/drivers/media/dvb/dvb-core/dvb_frontend.c
@@ -1891,8 +1891,8 @@  static int dvb_frontend_ioctl_legacy(struct file *file,
 		/* Request the search algorithm to search */
 		fepriv->algo_status |= DVBFE_ALGO_SEARCH_AGAIN;
 
-		dvb_frontend_wakeup(fe);
 		dvb_frontend_add_event(fe, 0);
+		dvb_frontend_wakeup(fe);
 		fepriv->status = 0;
 		err = 0;
 		break;