diff options
Diffstat (limited to 'drivers/misc/qcom/qdsp6v2/audio_utils.c')
| -rw-r--r-- | drivers/misc/qcom/qdsp6v2/audio_utils.c | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/drivers/misc/qcom/qdsp6v2/audio_utils.c b/drivers/misc/qcom/qdsp6v2/audio_utils.c index cec449da..15d82d12 100644 --- a/drivers/misc/qcom/qdsp6v2/audio_utils.c +++ b/drivers/misc/qcom/qdsp6v2/audio_utils.c @@ -24,6 +24,15 @@ #include <asm/ioctls.h> #include "audio_utils.h" +/* + * Define maximum buffer size. Below values are chosen considering the higher + * values used among all native drivers. + */ +#define MAX_FRAME_SIZE 1536 +#define MAX_FRAMES 5 +#define META_SIZE (sizeof(struct meta_out_dsp)) +#define MAX_BUFFER_SIZE (1 + ((MAX_FRAME_SIZE + META_SIZE) * MAX_FRAMES)) + static int audio_in_pause(struct q6audio_in *audio) { int rc; @@ -329,6 +338,10 @@ long audio_in_ioctl(struct file *file, rc = -EINVAL; break; } + if (cfg.buffer_size > MAX_BUFFER_SIZE) { + rc = -EINVAL; + break; + } audio->str_cfg.buffer_size = cfg.buffer_size; audio->str_cfg.buffer_count = cfg.buffer_count; if (audio->opened) { @@ -744,7 +757,7 @@ ssize_t audio_in_read(struct file *file, count -= bytes_to_copy; buf += bytes_to_copy; } else { - pr_err("%s:session id %d: short read data[%p] bytesavail[%d]bytesrequest[%zd]\n", + pr_err("%s:session id %d: short read data[%pK] bytesavail[%d]bytesrequest[%zd]\n", __func__, audio->ac->session, data, size, count); @@ -883,7 +896,7 @@ ssize_t audio_in_write(struct file *file, buf += xfer; } mutex_unlock(&audio->write_lock); - pr_debug("%s:session id %d: eos_condition 0x%x buf[0x%p] start[0x%p]\n", + pr_debug("%s:session id %d: eos_condition 0x%x buf[0x%pK] start[0x%pK]\n", __func__, audio->ac->session, nflags, buf, start); if (nflags & AUD_EOS_SET) { |