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I really, really screwed up the semantics of BufferSize and BufferLimit.

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This commit is contained in:
Michael Brown 2007-06-29 20:16:30 +01:00
parent 40d6d3dcf4
commit 9125070f51
1 changed files with 7 additions and 6 deletions
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13
src/interface/pxe/pxe_preboot.c
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@ -82,21 +82,22 @@ PXENV_EXIT_t pxenv_get_cached_info ( struct s_PXENV_GET_CACHED_INFO
DBG ( "PXENV_GET_CACHED_INFO %d", get_cached_info->PacketType );
DBG ( " to %04x:%04x+%x", get_cached_info->Buffer.segment,
get_cached_info->Buffer.offset, get_cached_info->BufferSize );
/* This is really, really awkward to support with our multiple
* sources of options.
*/
if ( get_cached_info->BufferLimit == 0 ) {
len = get_cached_info->BufferSize;
if ( len == 0 ) {
len = sizeof ( dhcp_basemem );
get_cached_info->Buffer.segment = rm_ds;
get_cached_info->Buffer.offset =
( unsigned int ) ( & __from_data16 ( dhcp_basemem ) );
get_cached_info->BufferLimit = sizeof ( dhcp_basemem );
get_cached_info->BufferLimit = len;
}
DBG ( " to %04x:%04x+%x", get_cached_info->Buffer.segment,
get_cached_info->Buffer.offset, get_cached_info->BufferLimit );
/* Allocate space for temporary copy */
len = get_cached_info->BufferLimit;
data = malloc ( len );
if ( ! data ) {
DBG ( " out of memory" );