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if the image size is zero, assume it really means one block

This commit is contained in:
joda 1999-11-12 18:17:36 +00:00
parent 4bdf6bd731
commit 4278cf451e
1 changed files with 8 additions and 2 deletions
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10
sys/dev/cardbus/cardbus_exrom.c
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@ -1,4 +1,4 @@
/* $NetBSD: cardbus_exrom.c,v 1.1 1999/10/28 22:27:00 joda Exp $ */
/* $NetBSD: cardbus_exrom.c,v 1.2 1999/11/12 18:17:36 joda Exp $ */
/*
* Copyright (c) 1999 The NetBSD Foundation, Inc.
@ -109,8 +109,14 @@ cardbus_read_exrom(romt, romh, head)
return 1;
}
dataptr = addr + READ_INT16(romt, romh, addr + CARDBUS_EXROM_DATA_PTR);
/* get the ROM image size, in blocks */
image_size = READ_INT16(romt, romh,
dataptr + CARDBUS_EXROM_DATA_IMAGE_LENGTH) << 9;
dataptr + CARDBUS_EXROM_DATA_IMAGE_LENGTH);
if(image_size == 0)
/* XXX some ROMs seem to have this as zero, can we assume
this means 1 block? */
image_size = 1;
image_size <<= 9;
image = malloc(sizeof(*image), M_DEVBUF, M_NOWAIT);
image->rom_image = rom_image;
image->image_size = image_size;