powerpc/powermac: Add missing of_node_put

This patch fixes some unbalanced OF node references in the
powermac code

Signed-off-by: Nicolas Palix <npalix@diku.dk>
Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>

1 files changed, 7 insertions, 4 deletions

diff --git a/arch/powerpc/platforms/powermac/time.c b/arch/powerpc/platforms/powermac/time.c
index 59eb840d8ce..1810e4226e5 100644
--- a/arch/powerpc/platforms/powermac/time.c
+++ b/arch/powerpc/platforms/powermac/time.c
@@ -265,12 +265,15 @@ int __init via_calibrate_decr(void)
         struct resource rsrc;
 
         vias = of_find_node_by_name(NULL, "via-cuda");
-        if (vias == 0)
+        if (vias == NULL)
                 vias = of_find_node_by_name(NULL, "via-pmu");
-        if (vias == 0)
+        if (vias == NULL)
                 vias = of_find_node_by_name(NULL, "via");
-        if (vias == 0 || of_address_to_resource(vias, 0, &rsrc))
+        if (vias == NULL || of_address_to_resource(vias, 0, &rsrc)) {
+                of_node_put(vias);
                 return 0;
+        }
+        of_node_put(vias);
         via = ioremap(rsrc.start, rsrc.end - rsrc.start + 1);
         if (via == NULL) {
                 printk(KERN_ERR "Failed to map VIA for timer calibration !\n");
@@ -297,7 +300,7 @@ int __init via_calibrate_decr(void)
         ppc_tb_freq = (dstart - dend) * 100 / 6;
 
         iounmap(via);
-        
+
         return 1;
 }
 #endif