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From 9b4b8dd705a1a7f9c4b7c2128663d2e31b1d0265 Mon Sep 17 00:00:00 2001
From: Santosh Nayak <santoshprasadnayak@gmail.com>
Date: Sat, 23 Jun 2012 07:59:54 -0300
Subject: [PATCH 033/109] 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: Ben Hutchings <ben@decadent.org.uk>
---
drivers/media/dvb/dvb-core/dvbdev.c | 1 +
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 f732877..d5cda35 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;
}
--
1.7.7.6
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