diff options
| -rw-r--r-- | src/arch/i386/drivers/net/undiload.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/src/arch/i386/drivers/net/undiload.c b/src/arch/i386/drivers/net/undiload.c index 7ae62480d..a0669d959 100644 --- a/src/arch/i386/drivers/net/undiload.c +++ b/src/arch/i386/drivers/net/undiload.c @@ -170,8 +170,10 @@ int undi_unload ( struct undi_device *undi ) { DBGC ( undi, "UNDI %p unloading\n", undi ); /* Erase signatures */ - put_real ( dead, undi->pxenv.segment, undi->pxenv.offset ); - put_real ( dead, undi->ppxe.segment, undi->ppxe.offset ); + if ( undi->pxenv.segment ) + put_real ( dead, undi->pxenv.segment, undi->pxenv.offset ); + if ( undi->ppxe_segment ) + put_real ( dead, undi->ppxe.segment, undi->ppxe.offset ); /* Free base memory, if possible */ get_real ( fbms, BDA_SEG, BDA_FBMS ); |