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MFp4: when passing the transfer up the foodchain, make sure we go up

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the food chain.  devi == NULL is the error condition.  Treat it as such.
This commit is contained in:
imp 2006-10-20 07:11:52 +00:00
parent c24d0dcbc6
commit 8c0a0fd0aa
1 changed files with 4 additions and 2 deletions
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6
sys/dev/spibus/spibus.c
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@ -136,8 +136,10 @@ spibus_add_child(device_t dev, int order, const char *name, int unit)
if (child == NULL)
return (child);
devi = malloc(sizeof(struct spibus_ivar), M_DEVBUF, M_NOWAIT | M_ZERO);
if (devi != NULL)
if (devi == NULL) {
device_delete_child(dev, child);
return (0);
}
device_set_ivars(child, devi);
return (child);
}
@ -156,7 +158,7 @@ spibus_hinted_child(device_t bus, const char *dname, int dunit)
static int
spibus_transfer_impl(device_t dev, device_t child, struct spi_command *cmd)
{
return (SPIBUS_TRANSFER(dev, child, cmd));
return (SPIBUS_TRANSFER(device_get_parent(dev), child, cmd));
}
static device_method_t spibus_methods[] = {