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usb_audio: Fixes for SMAP.

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This commit is contained in:
Augustin Cavalier
2019-03-09 17:50:25 -05:00
parent 965d4047bb
commit c5c392585c
1 changed files with 25 additions and 8 deletions
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src/add-ons/kernel/drivers/audio/usb/Device.cpp
+25 -8
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@@ -168,13 +168,12 @@ Device::Control(uint32 op, void* buffer, size_t length)
case B_MULTI_GET_ENABLED_CHANNELS:
{
multi_channel_enable* data = (multi_channel_enable*)buffer;
multi_channel_enable enable;
uint32 enable_bits;
uchar* orig_enable_bits;
if (user_memcpy(&enable, data, sizeof(enable)) != B_OK
|| !IS_USER_ADDRESS(enable.enable_bits)) {
if (user_memcpy(&enable, buffer, sizeof(enable)) != B_OK
|| !IS_USER_ADDRESS(enable.enable_bits)) {
return B_BAD_ADDRESS;
}
@@ -229,7 +228,7 @@ Device::Control(uint32 op, void* buffer, size_t length)
status_t status = _MultiGetGlobalFormat(&info);
if (status != B_OK)
return B_OK;
return status;
if (user_memcpy(buffer, &info, sizeof(multi_format_info)) != B_OK)
return B_BAD_ADDRESS;
return B_OK;
@@ -242,7 +241,7 @@ Device::Control(uint32 op, void* buffer, size_t length)
status_t status = _MultiSetGlobalFormat(&info);
if (status != B_OK)
return B_OK;
return status;
return user_memcpy(buffer, &info, sizeof(multi_format_info));
}
case B_MULTI_GET_CHANNEL_FORMATS:
@@ -254,10 +253,28 @@ Device::Control(uint32 op, void* buffer, size_t length)
return B_ERROR;
case B_MULTI_GET_MIX:
return _MultiGetMix((multi_mix_value_info*)buffer);
case B_MULTI_SET_MIX: {
multi_mix_value_info info;
if (user_memcpy(&info, buffer, sizeof(multi_mix_value_info)) != B_OK)
return B_BAD_ADDRESS;
case B_MULTI_SET_MIX:
return _MultiSetMix((multi_mix_value_info*)buffer);
multi_mix_value* originalValues = info.values;
size_t mixValueSize = info.item_count * sizeof(multi_mix_value);
multi_mix_value* values = (multi_mix_value*)alloca(mixValueSize);
if (user_memcpy(values, info.values, mixValueSize) != B_OK)
return B_BAD_ADDRESS;
info.values = values;
status_t status;
if (op == B_MULTI_GET_MIX)
status = _MultiGetMix(&info);
else
status = _MultiSetMix(&info);
if (status != B_OK)
return status;
// the multi_mix_value_info is not modified
return user_memcpy(originalValues, values, mixValueSize);
}
case B_MULTI_LIST_MIX_CHANNELS:
TRACE(ERR, "B_MULTI_LIST_MIX_CHANNELS n/i\n");