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dtb: Fix bugs introduced in 45e036275a

This commit is contained in:
mintsuki 2024-06-28 00:51:45 +02:00
parent 45e036275a
commit cc05481b89
1 changed files with 9 additions and 3 deletions
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12
common/lib/misc.c
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@ -112,6 +112,8 @@ uint32_t hex2bin(uint8_t *str, uint32_t size) {
#if defined (UEFI)
void *get_device_tree_blob(size_t extra_size) {
int ret;
EFI_GUID dtb_guid = EFI_DTB_TABLE_GUID;
for (size_t i = 0; i < gST->NumberOfTableEntries; i++) {
EFI_CONFIGURATION_TABLE *cur_table = &gST->ConfigurationTable[i];
@ -122,9 +124,15 @@ void *get_device_tree_blob(size_t extra_size) {
printv("efi: found dtb at %p, size %x\n", cur_table->VendorTable, s);
if (extra_size == (size_t)-1) {
extra_size = 0;
}
void *new_tab = ext_mem_alloc(s + extra_size);
fdt_resize(cur_table->VendorTable, new_tab, s + extra_size);
ret = fdt_resize(cur_table->VendorTable, new_tab, s + extra_size);
if (ret < 0) {
panic(true, "dtb: failed to resize new DTB");
}
return new_tab;
}
@ -135,8 +143,6 @@ void *get_device_tree_blob(size_t extra_size) {
void *dtb = ext_mem_alloc(extra_size);
int ret;
ret = fdt_create_empty_tree(dtb, extra_size);
if (ret < 0) {
panic(true, "dtb: failed to create a device tree blob: '%s'", fdt_strerror(ret));