[patch] [media] dib9000: release a lock on error

[Dan Carpenter <dan.carpenter@xxxxxxxxxx>]

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

Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>

diff --git a/drivers/media/dvb/frontends/dib9000.c b/drivers/media/dvb/frontends/dib9000.c
index e276b11..660f806 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;
 	}
--
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