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-rw-r--r--drivers/platform/chrome/cros_ec_ishtp.c13
1 files changed, 10 insertions, 3 deletions
diff --git a/drivers/platform/chrome/cros_ec_ishtp.c b/drivers/platform/chrome/cros_ec_ishtp.c
index e673a7f738fc..ed794a7ddba9 100644
--- a/drivers/platform/chrome/cros_ec_ishtp.c
+++ b/drivers/platform/chrome/cros_ec_ishtp.c
@@ -303,6 +303,10 @@ static void process_recv(struct ishtp_cl *cros_ish_cl,
rb_in_proc->buffer.data, data_len);
error_wake_up:
+ /* Free the buffer since we copied data or didn't need it */
+ ishtp_cl_io_rb_recycle(rb_in_proc);
+ rb_in_proc = NULL;
+
/* Set flag before waking up the caller */
client_data->response.received = true;
@@ -312,12 +316,14 @@ error_wake_up:
break;
case CROS_MKBP_EVENT:
+ /* Free the buffer. This is just an event without data */
+ ishtp_cl_io_rb_recycle(rb_in_proc);
+ rb_in_proc = NULL;
/*
* Set timestamp from beginning of function since we actually
* got an incoming MKBP event
*/
client_data->ec_dev->last_event_time = timestamp;
- /* The event system doesn't send any data in buffer */
schedule_work(&client_data->work_ec_evt);
break;
@@ -327,8 +333,9 @@ error_wake_up:
}
end_error:
- /* Free the buffer */
- ishtp_cl_io_rb_recycle(rb_in_proc);
+ /* Free the buffer if we already haven't */
+ if (rb_in_proc)
+ ishtp_cl_io_rb_recycle(rb_in_proc);
up_read(&init_lock);
}