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2023-12-11 d2ccde1c8e90d38cee87a1b0309ad2827f3fd30d 
 kernel/drivers/soc/qcom/smsm.c
....@@ -1,15 +1,7 @@
1
+// SPDX-License-Identifier: GPL-2.0-only
12 /*
23  * Copyright (c) 2015, Sony Mobile Communications Inc.
34  * Copyright (c) 2012-2013, The Linux Foundation. All rights reserved.
4
- *
5
- * This program is free software; you can redistribute it and/or modify
6
- * it under the terms of the GNU General Public License version 2 and
7
- * only version 2 as published by the Free Software Foundation.
8
- *
9
- * This program is distributed in the hope that it will be useful,
10
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
11
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12
- * GNU General Public License for more details.
135  */
146 
157 #include <linux/interrupt.h>
....@@ -367,6 +359,7 @@
367359 		return 0;
368360 
369361 	host->ipc_regmap = syscon_node_to_regmap(syscon);
362
+	of_node_put(syscon);
370363 	if (IS_ERR(host->ipc_regmap))
371364 		return PTR_ERR(host->ipc_regmap);
372365 
....@@ -518,7 +511,7 @@
518511 	for (id = 0; id < smsm->num_hosts; id++) {
519512 		ret = smsm_parse_ipc(smsm, id);
520513 		if (ret < 0)
521
-			return ret;
514
+			goto out_put;
522515 	}
523516 
524517 	/* Acquire the main SMSM state vector */
....@@ -526,13 +519,14 @@
526519 			      smsm->num_entries * sizeof(u32));
527520 	if (ret < 0 && ret != -EEXIST) {
528521 		dev_err(&pdev->dev, "unable to allocate shared state entry\n");
529
-		return ret;
522
+		goto out_put;
530523 	}
531524 
532525 	states = qcom_smem_get(QCOM_SMEM_HOST_ANY, SMEM_SMSM_SHARED_STATE, NULL);
533526 	if (IS_ERR(states)) {
534527 		dev_err(&pdev->dev, "Unable to acquire shared state entry\n");
535
-		return PTR_ERR(states);
528
+		ret = PTR_ERR(states);
529
+		goto out_put;
536530 	}
537531 
538532 	/* Acquire the list of interrupt mask vectors */
....@@ -540,13 +534,14 @@
540534 	ret = qcom_smem_alloc(QCOM_SMEM_HOST_ANY, SMEM_SMSM_CPU_INTR_MASK, size);
541535 	if (ret < 0 && ret != -EEXIST) {
542536 		dev_err(&pdev->dev, "unable to allocate smsm interrupt mask\n");
543
-		return ret;
537
+		goto out_put;
544538 	}
545539 
546540 	intr_mask = qcom_smem_get(QCOM_SMEM_HOST_ANY, SMEM_SMSM_CPU_INTR_MASK, NULL);
547541 	if (IS_ERR(intr_mask)) {
548542 		dev_err(&pdev->dev, "unable to acquire shared memory interrupt mask\n");
549
-		return PTR_ERR(intr_mask);
543
+		ret = PTR_ERR(intr_mask);
544
+		goto out_put;
550545 	}
551546 
552547 	/* Setup the reference to the local state bits */
....@@ -557,7 +552,8 @@
557552 	smsm->state = qcom_smem_state_register(local_node, &smsm_state_ops, smsm);
558553 	if (IS_ERR(smsm->state)) {
559554 		dev_err(smsm->dev, "failed to register qcom_smem_state\n");
560
-		return PTR_ERR(smsm->state);
555
+		ret = PTR_ERR(smsm->state);
556
+		goto out_put;
561557 	}
562558 
563559 	/* Register handlers for remote processor entries of interest. */
....@@ -587,16 +583,19 @@
587583 	}
588584 
589585 	platform_set_drvdata(pdev, smsm);
586
+	of_node_put(local_node);
590587 
591588 	return 0;
592589 
593590 unwind_interfaces:
591
+	of_node_put(node);
594592 	for (id = 0; id < smsm->num_entries; id++)
595593 		if (smsm->entries[id].domain)
596594 			irq_domain_remove(smsm->entries[id].domain);
597595 
598596 	qcom_smem_state_unregister(smsm->state);
599
-
597
+out_put:
598
+	of_node_put(local_node);
600599 	return ret;
601600 }
602601