From e8ffe2cd644000c1cca51c40ba14edb546ca769b Mon Sep 17 00:00:00 2001 From: Michael Brown Date: Thu, 24 Apr 2025 01:30:50 +0100 Subject: [uaccess] Remove trivial uses of userptr_t Signed-off-by: Michael Brown --- src/interface/efi/efi_file.c | 17 +++++++---------- 1 file changed, 7 insertions(+), 10 deletions(-) (limited to 'src/interface/efi/efi_file.c') diff --git a/src/interface/efi/efi_file.c b/src/interface/efi/efi_file.c index b7b97aee7..79330641d 100644 --- a/src/interface/efi/efi_file.c +++ b/src/interface/efi/efi_file.c @@ -177,12 +177,12 @@ static size_t efi_file_len ( struct efi_file *file ) { * Read chunk of EFI file * * @v reader EFI file reader - * @v data Input data, or UNULL to zero-fill + * @v data Input data, or NULL to zero-fill * @v len Length of input data * @ret len Length of output data */ static size_t efi_file_read_chunk ( struct efi_file_reader *reader, - userptr_t data, size_t len ) { + const void *data, size_t len ) { struct efi_file *file = reader->file; size_t offset; @@ -203,7 +203,7 @@ static size_t efi_file_read_chunk ( struct efi_file_reader *reader, /* Copy or zero output data */ if ( data ) { - copy_from_user ( reader->data, data, offset, len ); + memcpy ( reader->data, ( data + offset ), len ); } else { memset ( reader->data, 0, len ); } @@ -262,7 +262,7 @@ static size_t efi_file_read_initrd ( struct efi_file_reader *reader ) { efi_file_name ( file ), reader->pos, ( reader->pos + pad_len ) ); } - len += efi_file_read_chunk ( reader, UNULL, pad_len ); + len += efi_file_read_chunk ( reader, NULL, pad_len ); /* Read CPIO header(s), if applicable */ name = cpio_name ( image ); @@ -274,13 +274,10 @@ static size_t efi_file_read_initrd ( struct efi_file_reader *reader ) { efi_file_name ( file ), reader->pos, ( reader->pos + cpio_len + pad_len ), image->name ); - len += efi_file_read_chunk ( reader, - virt_to_user ( &cpio ), + len += efi_file_read_chunk ( reader, &cpio, sizeof ( cpio ) ); - len += efi_file_read_chunk ( reader, - virt_to_user ( name ), - name_len ); - len += efi_file_read_chunk ( reader, UNULL, pad_len ); + len += efi_file_read_chunk ( reader, name, name_len ); + len += efi_file_read_chunk ( reader, NULL, pad_len ); } /* Read file data */ -- cgit v1.2.3-55-g7522