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[POWERPC] iSeries: Fix ref counting in vio setup

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Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>
This commit is contained in:
Stephen Rothwell 2007-11-06 17:26:42 +11:00 committed by Paul Mackerras
parent aca71ef882
commit 7992344fde
1 changed files with 6 additions and 4 deletions
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10
arch/powerpc/platforms/iseries/vio.c
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@ -523,15 +523,16 @@ static void __init get_viotape_info(struct device_node *vio_root)
static int __init iseries_vio_init(void) static int __init iseries_vio_init(void)
{ {
struct device_node *vio_root; struct device_node *vio_root;
int ret = -ENODEV;
if (!firmware_has_feature(FW_FEATURE_ISERIES)) if (!firmware_has_feature(FW_FEATURE_ISERIES))
return -ENODEV; goto out;
iommu_vio_init(); iommu_vio_init();
vio_root = of_find_node_by_path("/vdevice"); vio_root = of_find_node_by_path("/vdevice");
if (!vio_root) if (!vio_root)
return -ENODEV; goto out;
if (viopath_hostLp == HvLpIndexInvalid) { if (viopath_hostLp == HvLpIndexInvalid) {
vio_set_hostlp(); vio_set_hostlp();
@ -544,10 +545,11 @@ static int __init iseries_vio_init(void)
get_viocd_info(vio_root); get_viocd_info(vio_root);
get_viotape_info(vio_root); get_viotape_info(vio_root);
return 0; ret = 0;
put_node: put_node:
of_node_put(vio_root); of_node_put(vio_root);
return -ENODEV; out:
return ret;
} }
arch_initcall(iseries_vio_init); arch_initcall(iseries_vio_init);