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ASoC: msm: unmap and free dma memory if smmu map failed

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Unmap and free DMA memory in case of ION SMMU
mapping failure from PVM backend or MMHAB.

Change-Id: I2d2780941ba6922534654afa463a011f27ef7c66
Signed-off-by: Derek Chen <chenche@codeaurora.org>
This commit is contained in:
Derek Chen 2020-02-13 14:15:01 -08:00 • committed by Gerrit - the friendly Code Review server
commit 256b05b2b0
1 changed files with 2 additions and 1 deletions
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3
dsp/msm_audio_ion_vm.c
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@ -1,6 +1,6 @@
// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (c) 2013-2019, The Linux Foundation. All rights reserved.
* Copyright (c) 2013-2020, The Linux Foundation. All rights reserved.
*/
#include <linux/init.h>
@ -564,6 +564,7 @@ static int msm_audio_ion_map_buf(void *handle, dma_addr_t *paddr,
if (rc) {
pr_err("%s: failed to do smmu map, err = %d\n",
__func__, rc);
msm_audio_dma_buf_unmap((struct dma_buf *) handle);
goto err;
}
}