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protos/chainload: Fix bug that could result in bogus oom errors. Fixes #302

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This commit is contained in:
mintsuki 2023-09-11 15:31:43 -05:00
parent 898fe82b62
commit 277cec6c88
1 changed files with 5 additions and 7 deletions
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12
common/protos/chainload.c
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@ -217,15 +217,13 @@ noreturn void efi_chainload_file(char *config, char *cmdline, struct file_handle
EFI_HANDLE efi_part_handle = image->efi_part_handle;
void *_ptr = freadall(image, MEMMAP_RESERVED);
void *ptr = freadall(image, MEMMAP_RESERVED);
size_t image_size = image->size;
void *ptr;
status = gBS->AllocatePool(EfiLoaderData, image_size, &ptr);
if (status)
panic(true, "chainload: Allocation failure");
memcpy(ptr, _ptr, image_size);
pmm_free(_ptr, image->size);
memmap_alloc_range_in(untouched_memmap, &untouched_memmap_entries,
(uintptr_t)ptr, ALIGN_UP(image_size, 4096),
MEMMAP_RESERVED, MEMMAP_USABLE, true, false, true);
fclose(image);
term_notready();