From: Alexander Graf agraf@suse.de
The fs_read() function wants to get an address rather than the pointer to a buffer.
So let's convert the passed buffer from pointer back a the address to make efi_loader on sandbox happier.
Signed-off-by: Alexander Graf agraf@suse.de Reviewed-by: Simon Glass sjg@chromium.org Signed-off-by: Simon Glass sjg@chromium.org ---
Changes in v8: None Changes in v7: None Changes in v6: None Changes in v5: None Changes in v4: None Changes in v3: None Changes in v2: None
lib/efi_loader/efi_file.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/lib/efi_loader/efi_file.c b/lib/efi_loader/efi_file.c index e6a15bcb52..2107730ba5 100644 --- a/lib/efi_loader/efi_file.c +++ b/lib/efi_loader/efi_file.c @@ -9,6 +9,7 @@ #include <charset.h> #include <efi_loader.h> #include <malloc.h> +#include <mapmem.h> #include <fs.h>
/* GUID for file system information */ @@ -232,8 +233,10 @@ static efi_status_t file_read(struct file_handle *fh, u64 *buffer_size, void *buffer) { loff_t actread; + /* fs_read expects buffer address, not pointer */ + uintptr_t buffer_addr = (uintptr_t)map_to_sysmem(buffer);
- if (fs_read(fh->path, (ulong)buffer, fh->offset, + if (fs_read(fh->path, buffer_addr, fh->offset, *buffer_size, &actread)) return EFI_DEVICE_ERROR;