[media] dib9000: release a lock on error

This lock should be released as well on the error path.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Cc: Patrick Boettcher <Patrick.Boettcher@dibcom.fr>
Cc: Olivier Grenie <olivier.grenie@dibcom.fr>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/drivers/media/dvb/frontends/dib9000.c b/drivers/media/dvb/frontends/dib9000.c
index e276b119039e..660f80661ed4 100644
--- a/drivers/media/dvb/frontends/dib9000.c
+++ b/drivers/media/dvb/frontends/dib9000.c
@@ -2169,6 +2169,7 @@ static int dib9000_read_ber(struct dvb_frontend *fe, u32 * ber)
         DibAcquireLock(&state->demod_lock);
         DibAcquireLock(&state->platform.risc.mem_mbx_lock);
         if (dib9000_fw_memmbx_sync(state, FE_SYNC_CHANNEL) < 0) {
+                DibReleaseLock(&state->platform.risc.mem_mbx_lock);
                 ret = -EIO;
                 goto error;
         }