diff options
| -rw-r--r-- | src/interface/smbios/smbios_settings.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/src/interface/smbios/smbios_settings.c b/src/interface/smbios/smbios_settings.c index ca3f2fe2f..095c35d37 100644 --- a/src/interface/smbios/smbios_settings.c +++ b/src/interface/smbios/smbios_settings.c @@ -117,8 +117,16 @@ static int smbios_fetch ( struct settings *settings __unused, * <offset> contains a string index. An <offset> of * zero indicates that the <length> contains a literal * string index. + * + * Since the byte at offset zero can never contain a + * string index, and a literal string index can never + * be zero, the combination of both <length> and + * <offset> being zero indicates that the entire + * structure is to be read. */ - if ( ( tag_len == 0 ) || ( tag_offset == 0 ) ) { + if ( ( tag_len == 0 ) && ( tag_offset == 0 ) ) { + tag_len = sizeof ( buf ); + } else if ( ( tag_len == 0 ) || ( tag_offset == 0 ) ) { index = ( ( tag_offset == 0 ) ? tag_len : buf[tag_offset] ); if ( ( rc = read_smbios_string ( &structure, index, |