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kernel/shared_memory: Return ERR_INVALID_MEMORY_PERMISSIONS instead of ERR_INVALID_COMBINATION

This is more consistent with what the kernel does.
This commit is contained in:
Lioncash 2018-10-24 14:54:32 -04:00
parent 474bc29208
commit 239dfea34a

View file

@ -80,20 +80,19 @@ SharedPtr<SharedMemory> SharedMemory::CreateForApplet(
ResultCode SharedMemory::Map(Process* target_process, VAddr address, MemoryPermission permissions, ResultCode SharedMemory::Map(Process* target_process, VAddr address, MemoryPermission permissions,
MemoryPermission other_permissions) { MemoryPermission other_permissions) {
const MemoryPermission own_other_permissions =
MemoryPermission own_other_permissions =
target_process == owner_process ? this->permissions : this->other_permissions; target_process == owner_process ? this->permissions : this->other_permissions;
// Automatically allocated memory blocks can only be mapped with other_permissions = DontCare // Automatically allocated memory blocks can only be mapped with other_permissions = DontCare
if (base_address == 0 && other_permissions != MemoryPermission::DontCare) { if (base_address == 0 && other_permissions != MemoryPermission::DontCare) {
return ERR_INVALID_COMBINATION; return ERR_INVALID_MEMORY_PERMISSIONS;
} }
// Error out if the requested permissions don't match what the creator process allows. // Error out if the requested permissions don't match what the creator process allows.
if (static_cast<u32>(permissions) & ~static_cast<u32>(own_other_permissions)) { if (static_cast<u32>(permissions) & ~static_cast<u32>(own_other_permissions)) {
LOG_ERROR(Kernel, "cannot map id={}, address=0x{:X} name={}, permissions don't match", LOG_ERROR(Kernel, "cannot map id={}, address=0x{:X} name={}, permissions don't match",
GetObjectId(), address, name); GetObjectId(), address, name);
return ERR_INVALID_COMBINATION; return ERR_INVALID_MEMORY_PERMISSIONS;
} }
// Error out if the provided permissions are not compatible with what the creator process needs. // Error out if the provided permissions are not compatible with what the creator process needs.