RGBCube/serenity
1
Fork 0
mirror of https://github.com/RGBCube/serenity synced 2025-05-31 19:58:11 +00:00
Code Issues Activity Actions

Kernel: Rename various *VMObject::create*() => try_create()

Browse source 
try_*() implies that it can fail (and they all return RefPtr with
nullptr signalling failure.)
This commit is contained in:
Andreas Kling 2021-07-11 17:55:29 +02:00
parent af8c74a328
commit 88d490566f
19 changed files with 35 additions and 35 deletions
Download patch file Download diff file Expand all files Collapse all files

6
Kernel/Bus/USB/UHCIController.cpp
View file

@ -287,7 +287,7 @@ void UHCIController::reset()
}
// Let's allocate the physical page for the Frame List (which is 4KiB aligned)
auto framelist_vmobj = ContiguousVMObject::create_with_size(PAGE_SIZE);
auto framelist_vmobj = ContiguousVMObject::try_create_with_size(PAGE_SIZE);
m_framelist = MemoryManager::the().allocate_kernel_region_with_vmobject(*framelist_vmobj, PAGE_SIZE, "UHCI Framelist", Region::Access::Write);
dbgln("UHCI: Allocated framelist at physical address {}", m_framelist->physical_page(0)->paddr());
dbgln("UHCI: Framelist is at virtual address {}", m_framelist->vaddr());
@ -309,7 +309,7 @@ UNMAP_AFTER_INIT void UHCIController::create_structures()
{
// Let's allocate memory for both the QH and TD pools
// First the QH pool and all of the Interrupt QH's
auto qh_pool_vmobject = ContiguousVMObject::create_with_size(2 * PAGE_SIZE);
auto qh_pool_vmobject = ContiguousVMObject::try_create_with_size(2 * PAGE_SIZE);
m_qh_pool = MemoryManager::the().allocate_kernel_region_with_vmobject(*qh_pool_vmobject, 2 * PAGE_SIZE, "UHCI Queue Head Pool", Region::Access::Write);
memset(m_qh_pool->vaddr().as_ptr(), 0, 2 * PAGE_SIZE); // Zero out both pages
@ -329,7 +329,7 @@ UNMAP_AFTER_INIT void UHCIController::create_structures()
m_dummy_qh = allocate_queue_head();
// Now the Transfer Descriptor pool
auto td_pool_vmobject = ContiguousVMObject::create_with_size(2 * PAGE_SIZE);
auto td_pool_vmobject = ContiguousVMObject::try_create_with_size(2 * PAGE_SIZE);
m_td_pool = MemoryManager::the().allocate_kernel_region_with_vmobject(*td_pool_vmobject, 2 * PAGE_SIZE, "UHCI Transfer Descriptor Pool", Region::Access::Write);
memset(m_td_pool->vaddr().as_ptr(), 0, 2 * PAGE_SIZE);