qcacmn: Remove duplicate set packet len for QMI event buffer

For QMI events qdf_nbuf_set_pktlen is invoked twice. Once in
wmi_buf_alloc and again in __wmi_process_qmi_fw_event. Remove
this duplicate set packet length.

Change-Id: I06c7e077fb1d554215a5ebc52f9d69a333a25a84
CRs-Fixed: 2859036

wmi/src/wmi_unified.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2015-2020 The Linux Foundation. All rights reserved.
+ * Copyright (c) 2015-2021 The Linux Foundation. All rights reserved.
  *
  * Permission to use, copy, modify, and/or distribute this software for
  * any purpose with or without fee is hereby granted, provided that the
@@ -2586,11 +2586,6 @@ static int __wmi_process_qmi_fw_event(void *wmi_cb_ctx, void *buf, int len)
 	if (!evt_buf)
 		return -ENOMEM;
 
-	/*
-	 * Set the length of the buffer to match the allocation size.
-	 */
-	qdf_nbuf_set_pktlen(evt_buf, len);
-
 	qdf_mem_copy(qdf_nbuf_data(evt_buf), buf, len);
 	evt_id = WMI_GET_FIELD(qdf_nbuf_data(evt_buf), WMI_CMD_HDR, COMMANDID);
 	wmi_debug("Received WMI_EVT_ID: %d over qmi", evt_id);