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added some error checking on return from rbus_new_root_share().

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This commit is contained in:
mcr 2001-07-06 18:01:26 +00:00
parent 74ed6c9ddb
commit b76e5c586a
1 changed files with 9 additions and 4 deletions
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13
sys/arch/i386/i386/rbus_machdep.c
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@ -1,4 +1,4 @@
/* $NetBSD: rbus_machdep.c,v 1.11 2001/04/25 03:31:23 thorpej Exp $ */
/* $NetBSD: rbus_machdep.c,v 1.12 2001/07/06 18:01:26 mcr Exp $ */
/*
* Copyright (c) 1999
@ -111,14 +111,19 @@ rbus_pccbb_parent_io(pa)
struct extent *ex;
bus_addr_t start;
bus_size_t size;
rbus_tag_t ret;
#ifdef PCIBIOS_ADDR_FIXUP
ex = pciaddr.extent_port;
#else
extern struct extent *ioport_ex;
ex = ioport_ex;
#endif
start = 0x2000;
size = 0x1000;
start = 0x4000;
size = 0x2000;
return rbus_new_root_share(pa->pa_iot, ex, start, size, 0);
ret = rbus_new_root_share(pa->pa_iot, ex, start, size, 0);
if(ret == NULL) {
panic("failed to alloc I/O space");
}
return ret;
}