powerpc: Fix of_node_put() exit path in of_irq_map_one()

Signed-off-by: Grant Likely <grant.likely@secretlab.ca>

1 files changed, 5 insertions, 6 deletions

diff --git a/arch/powerpc/kernel/prom_parse.c b/arch/powerpc/kernel/prom_parse.c
index 8f0856f312d..8362620c9e6 100644
--- a/arch/powerpc/kernel/prom_parse.c
+++ b/arch/powerpc/kernel/prom_parse.c
@@ -971,7 +971,7 @@ int of_irq_map_one(struct device_node *device, int index, struct of_irq *out_irq
         struct device_node *p;
         const u32 *intspec, *tmp, *addr;
         u32 intsize, intlen;
-        int res;
+        int res = -EINVAL;
 
         DBG("of_irq_map_one: dev=%s, index=%d\n", device->full_name, index);
 
@@ -995,21 +995,20 @@ int of_irq_map_one(struct device_node *device, int index, struct of_irq *out_irq
 
         /* Get size of interrupt specifier */
         tmp = of_get_property(p, "#interrupt-cells", NULL);
-        if (tmp == NULL) {
-                of_node_put(p);
-                return -EINVAL;
-        }
+        if (tmp == NULL)
+                goto out;
         intsize = *tmp;
 
         DBG(" intsize=%d intlen=%d\n", intsize, intlen);
 
         /* Check index */
         if ((index + 1) * intsize > intlen)
-                return -EINVAL;
+                goto out;
 
         /* Get new specifier and map it */
         res = of_irq_map_raw(p, intspec + index * intsize, intsize,
                              addr, out_irq);
+out:
         of_node_put(p);
         return res;
 }