diff options
Diffstat (limited to 'drivers/staging/intel_sst/intel_sst_app_interface.c')
| -rw-r--r-- | drivers/staging/intel_sst/intel_sst_app_interface.c | 20 |
1 files changed, 14 insertions, 6 deletions
diff --git a/drivers/staging/intel_sst/intel_sst_app_interface.c b/drivers/staging/intel_sst/intel_sst_app_interface.c index 0990955..c1ca39e 100644 --- a/drivers/staging/intel_sst/intel_sst_app_interface.c +++ b/drivers/staging/intel_sst/intel_sst_app_interface.c @@ -100,11 +100,15 @@ static int intel_sst_check_device(void) */ int intel_sst_open(struct inode *i_node, struct file *file_ptr) { - int retval = intel_sst_check_device(); - if (retval) - return retval; + unsigned int retval; mutex_lock(&sst_drv_ctx->stream_lock); + retval = intel_sst_check_device(); + if (retval) { + mutex_unlock(&sst_drv_ctx->stream_lock); + return retval; + } + if (sst_drv_ctx->encoded_cnt < MAX_ENC_STREAM) { struct ioctl_pvt_data *data = kzalloc(sizeof(struct ioctl_pvt_data), GFP_KERNEL); @@ -139,12 +143,16 @@ int intel_sst_open(struct inode *i_node, struct file *file_ptr) */ int intel_sst_open_cntrl(struct inode *i_node, struct file *file_ptr) { - int retval = intel_sst_check_device(); - if (retval) - return retval; + unsigned int retval; /* audio manager open */ mutex_lock(&sst_drv_ctx->stream_lock); + retval = intel_sst_check_device(); + if (retval) { + mutex_unlock(&sst_drv_ctx->stream_lock); + return retval; + } + if (sst_drv_ctx->am_cnt < MAX_AM_HANDLES) { sst_drv_ctx->am_cnt++; pr_debug("AM handle opened...\n"); |
