diff options
Diffstat (limited to 'asoc/msm-pcm-q6-v2.c')
| -rw-r--r-- | asoc/msm-pcm-q6-v2.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/asoc/msm-pcm-q6-v2.c b/asoc/msm-pcm-q6-v2.c index e6a5c1a7..04c6eec3 100644 --- a/asoc/msm-pcm-q6-v2.c +++ b/asoc/msm-pcm-q6-v2.c @@ -1,5 +1,6 @@ // SPDX-License-Identifier: GPL-2.0-only /* Copyright (c) 2012-2021, The Linux Foundation. All rights reserved. + * Copyright (c) 2023 Qualcomm Innovation Center, Inc. All rights reserved. */ @@ -1007,6 +1008,14 @@ static int msm_pcm_capture_copy(struct snd_pcm_substream *substream, xfer = size; offset = prtd->in_frame_info[idx].offset; pr_debug("Offset value = %d\n", offset); + + if (offset >= size) { + pr_err("%s: Invalid dsp buf offset\n", __func__); + ret = -EFAULT; + q6asm_cpu_buf_release(OUT, prtd->audio_client); + goto fail; + } + if (size == 0 || size < prtd->pcm_count) { memset(bufptr + offset + size, 0, prtd->pcm_count - size); if (fbytes > prtd->pcm_count) |