Merge "msm: synx: fix synx_release_core race condition" (9d29e4d3) · Commits · e / devices / android_kernel_fairphone_FP4

drivers/media/platform/msm/synx/synx.c

+4 −4

Original line number	Diff line number	Diff line
		// SPDX-License-Identifier: GPL-2.0-only
		/*
		* Copyright (c) 2019-2020, The Linux Foundation. All rights reserved.
		* Copyright (c) 2019-2021, The Linux Foundation. All rights reserved.
		*/
		#define pr_fmt(fmt) "synx: " fmt

		@@ -450,10 +450,10 @@ static int synx_release_core(struct synx_table_row *row)
		* (definitely for merged synx on invoing deinit)
		* be carefull while accessing the metadata
		*/
		mutex_lock(&synx_dev->row_locks[row->index]);
		fence = row->fence;
		idx = row->index;
		if (!idx) {
		mutex_lock(&synx_dev->row_locks[idx]);
		fence = row->fence;
		if ((!idx) \|\| (!fence)) {
		mutex_unlock(&synx_dev->row_locks[idx]);
		pr_err("object already cleaned up at %d\n", idx);
		return -EINVAL;