diff options
| -rw-r--r-- | drivers/soc/qcom/msm_glink_pkt.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/soc/qcom/msm_glink_pkt.c b/drivers/soc/qcom/msm_glink_pkt.c index 78f6a2aa8f66..a92e5c416678 100644 --- a/drivers/soc/qcom/msm_glink_pkt.c +++ b/drivers/soc/qcom/msm_glink_pkt.c @@ -625,14 +625,17 @@ ssize_t glink_pkt_read(struct file *file, return -ENETRESET; } + mutex_lock(&devp->ch_lock); if (!glink_rx_intent_exists(devp->handle, count)) { ret = glink_queue_rx_intent(devp->handle, devp, count); if (ret) { GLINK_PKT_ERR("%s: failed to queue_rx_intent ret[%d]\n", __func__, ret); + mutex_unlock(&devp->ch_lock); return ret; } } + mutex_unlock(&devp->ch_lock); GLINK_PKT_INFO("Begin %s on glink_pkt_dev id:%d buffer_size %zu\n", __func__, devp->i, count); |