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lmb: change the return code on lmb_alloc_addr()

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Ben reports a failure to boot the kernel on hardware that starts its
physical memory from 0x0.
The reason is that lmb_alloc_addr(), which is supposed to reserve a
specific address, takes the address as the first argument, but then also
returns the address for success or failure and treats 0 as a failure.

Since we already know the address change the prototype to return an int.

Reported-by: Ben Schneider <ben@bens.haus>
Signed-off-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
Tested-by: Ben Schneider <ben@bens.haus>
Reviewed-by: Sughosh Ganu <sughosh.ganu@linaro.org>
This commit is contained in:
Ilias Apalodimas
2025-03-14 12:57:02 +02:00
committed by Tom Rini
parent 244e61fbb7
commit 67be24906f
5 changed files with 35 additions and 35 deletions
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3
lib/efi_loader/efi_memory.c
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@@ -491,8 +491,7 @@ efi_status_t efi_allocate_pages(enum efi_allocate_type type,
return EFI_NOT_FOUND;
addr = map_to_sysmem((void *)(uintptr_t)*memory);
addr = (u64)lmb_alloc_addr(addr, len, flags);
if (!addr)
if (lmb_alloc_addr(addr, len, flags))
return EFI_NOT_FOUND;
break;
default: