diff options
| -rw-r--r-- | drivers/platform/msm/mhi/mhi_main.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/drivers/platform/msm/mhi/mhi_main.c b/drivers/platform/msm/mhi/mhi_main.c index 78aa1beb870d..702f9ad5ddfb 100644 --- a/drivers/platform/msm/mhi/mhi_main.c +++ b/drivers/platform/msm/mhi/mhi_main.c @@ -508,6 +508,7 @@ int mhi_register_channel(struct mhi_client_handle **client_handle, struct mhi_client_config *client_config; const char *node_name; enum MHI_CLIENT_CHANNEL chan; + struct mhi_chan_info chan_info = {0}; int ret; if (!client_info || client_info->dev->of_node == NULL) @@ -537,6 +538,14 @@ int mhi_register_channel(struct mhi_client_handle **client_handle, mhi_log(mhi_dev_ctxt, MHI_MSG_INFO, "Registering channel 0x%x for client\n", chan); + /* check if it's a supported channel by endpoint */ + ret = get_chan_props(mhi_dev_ctxt, chan, &chan_info); + if (ret) { + mhi_log(mhi_dev_ctxt, MHI_MSG_ERROR, + "Client try to register unsupported chan:%d\n", chan); + return -EINVAL; + } + *client_handle = kzalloc(sizeof(struct mhi_client_handle), GFP_KERNEL); if (NULL == *client_handle) return -ENOMEM; @@ -567,7 +576,7 @@ int mhi_register_channel(struct mhi_client_handle **client_handle, if (MHI_CLIENT_IP_HW_0_IN == chan) client_config->intmod_t = 10; - get_chan_props(mhi_dev_ctxt, chan, &client_config->chan_info); + client_config->chan_info = chan_info; ret = enable_bb_ctxt(mhi_dev_ctxt, &mhi_dev_ctxt->chan_bb_list[chan], client_config->chan_info.max_desc, chan, client_config->client_info.max_payload); |