Merge master.kernel.org:/pub/scm/linux/kernel/git/paulus/powerpc

* master.kernel.org:/pub/scm/linux/kernel/git/paulus/powerpc: (116 commits)
  [POWERPC] Add export of vgacon_remap_base
  [POWERPC] Remove bogus comment about page_is_ram
  [POWERPC] windfarm: don't die on suspend thread signal
  [POWERPC] Fix comment in kernel/irq.c
  [POWERPC] ppc: Fix booke watchdog initialization
  [POWERPC] PPC: Use ARRAY_SIZE macro when appropriate
  [POWERPC] Use ARRAY_SIZE macro when appropriate
  [POWERPC] Fix ppc64's writing to struct file_operations
  [POWERPC] ppc: use syslog macro for the printk log level
  [POWERPC] ppc: cs4218_tdm remove extra brace
  [POWERPC] Add mpc52xx/lite5200 PCI support
  [POWERPC] Only use H_BULK_REMOVE if the firmware supports it
  [POWERPC] Fixup error handling when emulating a floating point instruction
  [POWERPC] Enable interrupts if we are doing fp math emulation
  [POWERPC] Added kprobes support to ppc32
  [POWERPC] Make pSeries use the H_BULK_REMOVE hypervisor call
  [POWERPC] Clear RI bit in MSR before restoring r13 when returning to userspace
  [POWERPC] Fix performance monitor exception
  [POWERPC] Compile fixes for arch/powerpc dcr code
  [POWERPC] Maple: use mmio nvram
  ...

1 files changed, 6 insertions, 12 deletions

diff --git a/arch/powerpc/kernel/prom.c b/arch/powerpc/kernel/prom.c
index 1fc732a552d..3be52d693ec 100644
--- a/arch/powerpc/kernel/prom.c
+++ b/arch/powerpc/kernel/prom.c
@@ -1221,8 +1221,7 @@ struct device_node *of_find_node_by_name(struct device_node *from,
 		if (np->name != NULL && strcasecmp(np->name, name) == 0
 		    && of_node_get(np))
 			break;
-	if (from)
-		of_node_put(from);
+	of_node_put(from);
 	read_unlock(&devtree_lock);
 	return np;
 }
@@ -1250,8 +1249,7 @@ struct device_node *of_find_node_by_type(struct device_node *from,
 		if (np->type != 0 && strcasecmp(np->type, type) == 0
 		    && of_node_get(np))
 			break;
-	if (from)
-		of_node_put(from);
+	of_node_put(from);
 	read_unlock(&devtree_lock);
 	return np;
 }
@@ -1285,8 +1283,7 @@ struct device_node *of_find_compatible_node(struct device_node *from,
 		if (device_is_compatible(np, compatible) && of_node_get(np))
 			break;
 	}
-	if (from)
-		of_node_put(from);
+	of_node_put(from);
 	read_unlock(&devtree_lock);
 	return np;
 }
@@ -1329,8 +1326,7 @@ struct device_node *of_find_node_by_phandle(phandle handle)
 	for (np = allnodes; np != 0; np = np->allnext)
 		if (np->linux_phandle == handle)
 			break;
-	if (np)
-		of_node_get(np);
+	of_node_get(np);
 	read_unlock(&devtree_lock);
 	return np;
 }
@@ -1353,8 +1349,7 @@ struct device_node *of_find_all_nodes(struct device_node *prev)
 	for (; np != 0; np = np->allnext)
 		if (of_node_get(np))
 			break;
-	if (prev)
-		of_node_put(prev);
+	of_node_put(prev);
 	read_unlock(&devtree_lock);
 	return np;
 }
@@ -1399,8 +1394,7 @@ struct device_node *of_get_next_child(const struct device_node *node,
 	for (; next != 0; next = next->sibling)
 		if (of_node_get(next))
 			break;
-	if (prev)
-		of_node_put(prev);
+	of_node_put(prev);
 	read_unlock(&devtree_lock);
 	return next;
 }