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authorSantosh Nayak <santoshprasadnayak@gmail.com>2012-06-23 07:59:54 -0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2012-07-19 08:58:55 -0700
commita3fa551238b526b7b345da724b988650468cf36e (patch)
tree475292427d977f8b1667fc69f4f50cf5212277b3 /drivers/media
parente2ea6a3e16a36e26af184f781ede7a12f6cff8b5 (diff)
media: dvb-core: Release semaphore on error path dvb_register_device()
commit 82163edcdfa4eb3d74516cc8e9f38dd3d039b67d upstream. There is a missing "up_write()" here. Semaphore should be released before returning error value. Signed-off-by: Santosh Nayak <santoshprasadnayak@gmail.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/media')
-rw-r--r--drivers/media/dvb/dvb-core/dvbdev.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/media/dvb/dvb-core/dvbdev.c b/drivers/media/dvb/dvb-core/dvbdev.c
index 00a67326c193..39eab73b01ae 100644
--- a/drivers/media/dvb/dvb-core/dvbdev.c
+++ b/drivers/media/dvb/dvb-core/dvbdev.c
@@ -243,6 +243,7 @@ int dvb_register_device(struct dvb_adapter *adap, struct dvb_device **pdvbdev,
if (minor == MAX_DVB_MINORS) {
kfree(dvbdevfops);
kfree(dvbdev);
+ up_write(&minor_rwsem);
mutex_unlock(&dvbdev_register_lock);
return -EINVAL;
}