There is no need to call strrchr() second time. We already know that in that
case parent_path_len either 1 ("/foo") or bigger ("/foo/bar").
Signed-off-by: Andy Shevchenko <andriy.shevche...@linux.intel.com>
---
arch/powerpc/platforms/pseries/of_helpers.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/powerpc/platforms/pseries/of_helpers.c
b/arch/powerpc/platforms/pseries/of_helpers.c
index 2f363e3..027446a 100644
--- a/arch/powerpc/platforms/pseries/of_helpers.c
+++ b/arch/powerpc/platforms/pseries/of_helpers.c
@@ -23,7 +23,7 @@ struct device_node *pseries_of_derive_parent(const char *path)
if (!strcmp(path, "/"))
return ERR_PTR(-EINVAL);
- if (strrchr(path, '/') != path) {
+ if (parent_path_len > 1) {
parent_path = kmalloc(parent_path_len, GFP_KERNEL);
if (!parent_path)
return ERR_PTR(-ENOMEM);
--
2.4.6
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