diff options
Diffstat (limited to 'src/interface/linux/linux_acpi.c')
| -rw-r--r-- | src/interface/linux/linux_acpi.c | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/src/interface/linux/linux_acpi.c b/src/interface/linux/linux_acpi.c index e658936f2..21a2e27cc 100644 --- a/src/interface/linux/linux_acpi.c +++ b/src/interface/linux/linux_acpi.c @@ -21,6 +21,7 @@ FILE_LICENCE ( GPL2_OR_LATER ); #include <stdlib.h> #include <stdio.h> +#include <string.h> #include <errno.h> #include <ipxe/linux_api.h> #include <ipxe/linux_sysfs.h> @@ -42,7 +43,7 @@ struct linux_acpi_table { /** Index */ unsigned int index; /** Cached data */ - userptr_t data; + void *data; }; /** List of cached ACPI tables */ @@ -53,9 +54,10 @@ static LIST_HEAD ( linux_acpi_tables ); * * @v signature Requested table signature * @v index Requested index of table with this signature - * @ret table Table, or UNULL if not found + * @ret table Table, or NULL if not found */ -static userptr_t linux_acpi_find ( uint32_t signature, unsigned int index ) { +static const struct acpi_header * linux_acpi_find ( uint32_t signature, + unsigned int index ) { struct linux_acpi_table *table; struct acpi_header *header; union { @@ -101,7 +103,7 @@ static userptr_t linux_acpi_find ( uint32_t signature, unsigned int index ) { filename, strerror ( rc ) ); goto err_read; } - header = user_to_virt ( table->data, 0 ); + header = table->data; if ( ( ( ( size_t ) len ) < sizeof ( *header ) ) || ( ( ( size_t ) len ) < le32_to_cpu ( header->length ) ) ) { rc = -ENOENT; @@ -121,7 +123,7 @@ static userptr_t linux_acpi_find ( uint32_t signature, unsigned int index ) { err_read: free ( table ); err_alloc: - return UNULL; + return NULL; } /** |