diff --git a/drivers/staging/hievent/hievent_driver.c b/drivers/staging/hievent/hievent_driver.c
index b1a952c5a082292dcb3747420610e31dc88f8d84..be49c15a863203facc1db7f510a9e862c4e477ab 100644
--- a/drivers/staging/hievent/hievent_driver.c
+++ b/drivers/staging/hievent/hievent_driver.c
@@ -177,6 +177,13 @@ static ssize_t hievent_read(struct file *file, char __user *user_buf,
 
 	retval = header.len + sizeof(header);
 out:
+	if (retval == -ENOMEM) {
+		// clean ring buffer
+		hievent_dev.write_offset = 0;
+		hievent_dev.head_offset = 0;
+		hievent_dev.size = 0;
+		hievent_dev.count = 0;
+	}
 	(void)mutex_unlock(&hievent_dev.mtx);
 
 	return retval;
diff --git a/drivers/staging/hilog/hilog.c b/drivers/staging/hilog/hilog.c
index bdc8f7416987f0d45140f5318068dda28451f9bc..16843bd63a4e9f08bb792f010f43bbafcd1eb3bd 100644
--- a/drivers/staging/hilog/hilog.c
+++ b/drivers/staging/hilog/hilog.c
@@ -186,6 +186,13 @@ static ssize_t hilog_read(struct file *file,
 	hilog_buffer_dec(header.len);
 	retval = header.len + sizeof(header);
 out:
+	if (retval == -ENOMEM) {
+		// clean ring buffer
+		hilog_dev.wr_off = 0;
+		hilog_dev.hdr_off = 0;
+		hilog_dev.size = 0;
+		hilog_dev.count = 0;
+	}
 	(void)mutex_unlock(&hilog_dev.mtx);
 
 	return retval;