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Commit d51f9057 authored by Isaac J. Manjarres's avatar Isaac J. Manjarres
Browse files

iommu: iommu-debug: Fix return code for iommu_debug_dma_unmap_write 



iommu_debug_dma_unmap_write() returns 0 instead of an error code
when the command passed to the dma_unmap debugfs node is not
in the expected format.

Change-Id: Ie4f5dfa4423edc539fec9c38554e97c79fccc6c3
Signed-off-by: default avatarIsaac J. Manjarres <isaacm@codeaurora.org>
parent be8d5fe0

drivers/iommu/iommu-debug.c

+2 −2
Original line number Diff line number Diff line 
// SPDX-License-Identifier: GPL-2.0-only

/*

 * Copyright (c) 2015-2019, The Linux Foundation. All rights reserved.

 * Copyright (c) 2015-2020, The Linux Foundation. All rights reserved.

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License version 2 and
@@ -2023,7 +2023,7 @@ static ssize_t iommu_debug_dma_unmap_write(struct file *file, 


invalid_format:

	pr_err_ratelimited("Invalid format. Expected: iova,len, dma attr\n");

	return retval;

	return -EINVAL;

}



static const struct file_operations iommu_debug_dma_unmap_fops = {