diff options
Diffstat (limited to 'src/core/acpimac.c')
| -rw-r--r-- | src/core/acpimac.c | 18 |
1 files changed, 10 insertions, 8 deletions
diff --git a/src/core/acpimac.c b/src/core/acpimac.c index e0074ba43..04fd98836 100644 --- a/src/core/acpimac.c +++ b/src/core/acpimac.c @@ -22,6 +22,7 @@ */ FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL ); +FILE_SECBOOT ( PERMITTED ); #include <string.h> #include <errno.h> @@ -142,8 +143,9 @@ static struct acpimac_extractor acpimac_rtxmac = { * string that appears shortly after an "AMAC" or "MACA" signature. * This should work for most implementations encountered in practice. */ -static int acpimac_extract ( userptr_t zsdt, size_t len, size_t offset, - void *data, struct acpimac_extractor *extractor ){ +static int acpimac_extract ( const struct acpi_header *zsdt, size_t len, + size_t offset, void *data, + struct acpimac_extractor *extractor ) { size_t prefix_len = strlen ( extractor->prefix ); uint8_t *hw_addr = data; size_t skip = 0; @@ -161,8 +163,8 @@ static int acpimac_extract ( userptr_t zsdt, size_t len, size_t offset, skip++ ) { /* Read value */ - copy_from_user ( buf, zsdt, ( offset + skip ), - sizeof ( buf ) ); + memcpy ( buf, ( ( ( const void * ) zsdt ) + offset + skip ), + sizeof ( buf ) ); /* Check for expected format */ if ( memcmp ( buf, extractor->prefix, prefix_len ) != 0 ) @@ -203,8 +205,8 @@ static int acpimac_extract ( userptr_t zsdt, size_t len, size_t offset, * @v data Data buffer * @ret rc Return status code */ -static int acpimac_extract_auxmac ( userptr_t zsdt, size_t len, size_t offset, - void *data ) { +static int acpimac_extract_auxmac ( const struct acpi_header *zsdt, + size_t len, size_t offset, void *data ) { return acpimac_extract ( zsdt, len, offset, data, &acpimac_auxmac ); } @@ -218,8 +220,8 @@ static int acpimac_extract_auxmac ( userptr_t zsdt, size_t len, size_t offset, * @v data Data buffer * @ret rc Return status code */ -static int acpimac_extract_rtxmac ( userptr_t zsdt, size_t len, size_t offset, - void *data ) { +static int acpimac_extract_rtxmac ( const struct acpi_header *zsdt, + size_t len, size_t offset, void *data ) { return acpimac_extract ( zsdt, len, offset, data, &acpimac_rtxmac ); } |