diff options
Diffstat (limited to 'lib/smbios-parser.c')
| -rw-r--r-- | lib/smbios-parser.c | 21 |
1 files changed, 5 insertions, 16 deletions
diff --git a/lib/smbios-parser.c b/lib/smbios-parser.c index b578c30840..e1180efae1 100644 --- a/lib/smbios-parser.c +++ b/lib/smbios-parser.c @@ -5,22 +5,11 @@ #define LOG_CATEGORY LOGC_BOOT +#include <errno.h> #include <smbios.h> - -static inline int verify_checksum(const struct smbios_entry *e) -{ - /* - * Checksums for SMBIOS tables are calculated to have a value, so that - * the sum over all bytes yields zero (using unsigned 8 bit arithmetic). - */ - u8 *byte = (u8 *)e; - u8 sum = 0; - - for (int i = 0; i < e->length; i++) - sum += byte[i]; - - return sum; -} +#include <string.h> +#include <tables_csum.h> +#include <linux/kernel.h> const struct smbios_entry *smbios_entry(u64 address, u32 size) { @@ -32,7 +21,7 @@ const struct smbios_entry *smbios_entry(u64 address, u32 size) if (memcmp(entry->anchor, "_SM_", 4)) return NULL; - if (verify_checksum(entry)) + if (table_compute_checksum(entry, entry->length)) return NULL; return entry; |