evie/android_kernel_oneplus_msm8998
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Merge "soc: qcom: glink_pkt: Add mutex in glink_pkt_read"

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Linux Build Service Account 2017-04-06 14:33:12 -07:00 • committed by Gerrit - the friendly Code Review server
commit 8dbe64734d
1 changed files with 3 additions and 0 deletions
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drivers/soc/qcom/msm_glink_pkt.c
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@ -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);