If vchi_msg_dequeue return -1, variable m is not assigined,
need to return.
Reported-by: Hulk Robot <hul...@huawei.com>
Signed-off-by: zhengbin <zhengbi...@huawei.com>
---
drivers/staging/vc04_services/bcm2835-audio/bcm2835-vchiq.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/staging/vc04_services/bcm2835-audio/bcm2835-vchiq.c
b/drivers/staging/vc04_services/bcm2835-audio/bcm2835-vchiq.c
index c6f9cf1..5f6a73a 100644
--- a/drivers/staging/vc04_services/bcm2835-audio/bcm2835-vchiq.c
+++ b/drivers/staging/vc04_services/bcm2835-audio/bcm2835-vchiq.c
@@ -103,6 +103,9 @@ static void audio_vchi_callback(void *param,
status = vchi_msg_dequeue(instance->vchi_handle,
&m, sizeof(m), &msg_len, VCHI_FLAGS_NONE);
+ if (status)
+ return;
+
if (m.type == VC_AUDIO_MSG_TYPE_RESULT) {
instance->result = m.result.success;
complete(&instance->msg_avail_comp);
--
2.7.4
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