[PATCH] of: Fix of platform build on powerpc due to bad of disaply code

[Michal Suchanek]

The commit 2d681d6a23a1 ("of: Make of framebuffer devices unique")
breaks build because of wrong argument to snprintf. That certainly
avoids the runtime error but is not the intended outcome.

Fixes: 2d681d6a23a1 ("of: Make of framebuffer devices unique")
Signed-off-by: Michal Suchanek <msucha...@suse.de>
---
 drivers/of/platform.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/of/platform.c b/drivers/of/platform.c
index f2a5d679a324..e9dd7371f27a 100644
--- a/drivers/of/platform.c
+++ b/drivers/of/platform.c
@@ -564,10 +564,10 @@ static int __init of_platform_default_populate_init(void)
                }
 
                for_each_node_by_type(node, "display") {
-                       char *buf[14];
+                       char buf[14];
                        if (!of_get_property(node, "linux,opened", NULL) || 
node == boot_display)
                                continue;
-                       ret = snprintf(buf, "of-display-%d", display_number++);
+                       ret = snprintf(buf, sizeof(buf), "of-display-%d", 
display_number++);
                        if (ret >= sizeof(buf))
                                continue;
                        of_platform_device_create(node, buf, NULL);
-- 
2.35.3