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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 08:58:20 -0700
commite49068478916ea599765112c3cf3e31c520bce5c (patch)
tree0fe2ac3ae76aa98290ecd91b27a30d4200f58918
parent4ff1ddad40c57605cc33a78699e4559217a06a46 (diff)
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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>
-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 f7328777595..d5cda35dcc7 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;
}