msm: camera: icp: Unlock mutex in case of ICP packet failure

Mutex unlock is missing if the packet size is not
equal to the packet header size during ICP packet
validation.
This commit add mutex unlock, which unlocks
the mutex to handle the above scenario.

CRs-Fixed: 3715702
Change-Id: Iafa94c1e6b3ee62cd7fd14ccfeb992c3c5c1c4c4
Signed-off-by: Vikram Sharma <quic_vikramsa@quicinc.com>

drivers/cam_icp/icp_hw/icp_hw_mgr/cam_icp_hw_mgr.c

@@ -1,7 +1,7 @@
 // SPDX-License-Identifier: GPL-2.0-only
 /*
  * Copyright (c) 2017-2021, The Linux Foundation. All rights reserved.
- * Copyright (c) 2022-2024 Qualcomm Innovation Center, Inc. All rights reserved.
+ * Copyright (c) 2022-2024, Qualcomm Innovation Center, Inc. All rights reserved.
  */
 
 #include <linux/uaccess.h>
@@ -6181,8 +6181,10 @@ static int cam_icp_mgr_prepare_hw_update(void *hw_mgr_priv,
 
 	packet = prepare_args->packet;
 
-	if (cam_packet_util_validate_packet(packet, prepare_args->remain_len))
+	if (cam_packet_util_validate_packet(packet, prepare_args->remain_len)) {
+		mutex_unlock(&ctx_data->ctx_mutex);
 		return -EINVAL;
+	}
 
 	rc = cam_icp_mgr_pkt_validation(ctx_data, packet);
 	if (rc) {