diff options
Diffstat (limited to 'dsp/msm_audio_ion.c')
| -rw-r--r-- | dsp/msm_audio_ion.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/dsp/msm_audio_ion.c b/dsp/msm_audio_ion.c index 566f8bf1..2bf02fca 100644 --- a/dsp/msm_audio_ion.c +++ b/dsp/msm_audio_ion.c @@ -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> @@ -67,7 +67,7 @@ static int msm_audio_dma_buf_map(struct dma_buf *dma_buf, dma_addr_t *addr, size_t *len) { - struct msm_audio_alloc_data *alloc_data; + struct msm_audio_alloc_data *alloc_data = NULL; struct device *cb_dev; unsigned long ionflag = 0; int rc = 0; @@ -133,6 +133,7 @@ detach_dma_buf: alloc_data->attach); free_alloc_data: kfree(alloc_data); + alloc_data = NULL; return rc; } @@ -170,6 +171,7 @@ static int msm_audio_dma_buf_unmap(struct dma_buf *dma_buf) list_del(&(alloc_data->list)); kfree(alloc_data); + alloc_data = NULL; break; } } @@ -312,6 +314,11 @@ static int msm_audio_ion_map_buf(struct dma_buf *dma_buf, dma_addr_t *paddr, { int rc = 0; + if (!dma_buf || !paddr || !vaddr || !plen) { + pr_err("%s: Invalid params\n", __func__); + return -EINVAL; + } + rc = msm_audio_ion_get_phys(dma_buf, paddr, plen); if (rc) { pr_err("%s: ION Get Physical for AUDIO failed, rc = %d\n", |