[POWERPC] Fix unbalanced uses of of_node_put

The (maple|pasemi)_init_IRQ functions call of_node_put(root) once more
than they should, causing the refcount of the root node to underflow,
which triggers the WARN_ON in kref_get.

Signed-off-by: Nathan Lynch <ntl@pobox.com>
Acked-by: Olof Johansson <olof@lixom.net>
Signed-off-by: Paul Mackerras <paulus@samba.org>

diff --git a/arch/powerpc/platforms/maple/setup.c b/arch/powerpc/platforms/maple/setup.c
index f12d5c6..50855d4 100644 (file)
--- a/arch/powerpc/platforms/maple/setup.c
+++ b/arch/powerpc/platforms/maple/setup.c
@@ -254,7 +254,6 @@ static void __init maple_init_IRQ(void)
                printk(KERN_DEBUG "OpenPIC addr: %lx, has ISUs: %d\n",
                       openpic_addr, has_isus);
        }
-       of_node_put(root);
 
        BUG_ON(openpic_addr == 0);
 

diff --git a/arch/powerpc/platforms/pasemi/setup.c b/arch/powerpc/platforms/pasemi/setup.c
index 89d6e29..bea7d1b 100644 (file)
--- a/arch/powerpc/platforms/pasemi/setup.c
+++ b/arch/powerpc/platforms/pasemi/setup.c
@@ -129,7 +129,6 @@ static __init void pas_init_IRQ(void)
        }
        openpic_addr = of_read_number(opprop, naddr);
        printk(KERN_DEBUG "OpenPIC addr: %lx\n", openpic_addr);
-       of_node_put(root);
 
        mpic = mpic_alloc(mpic_node, openpic_addr, MPIC_PRIMARY, 0, 0,
                          " PAS-OPIC  ");