diff options
Diffstat (limited to 'sys/powerpc/mpc85xx/mpc85xx.c')
-rw-r--r-- | sys/powerpc/mpc85xx/mpc85xx.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/sys/powerpc/mpc85xx/mpc85xx.c b/sys/powerpc/mpc85xx/mpc85xx.c index e62f952..0db5d5e 100644 --- a/sys/powerpc/mpc85xx/mpc85xx.c +++ b/sys/powerpc/mpc85xx/mpc85xx.c @@ -88,6 +88,9 @@ law_enable(int trgt, u_long addr, u_long size) uint32_t bar, sr; int i, law_max; + if (size == 0) + return (0); + law_max = law_getmax(); bar = _LAW_BAR(addr); sr = _LAW_SR(trgt, size); @@ -168,7 +171,10 @@ law_pci_target(struct resource *res, int *trgt_mem, int *trgt_io) default: rv = ENXIO; } - *trgt_mem = *trgt_io = trgt; + if (rv == 0) { + *trgt_mem = trgt; + *trgt_io = trgt; + } return (rv); } |