powerpc/mm: book3s64: hash_utils: no need to check return value of debugfs_create...

When calling debugfs functions, there is no need to ever check the
return value.  The function can work or not, but the code logic should
never do something different based on this.

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20200209105901.1620958-3-gregkh@linuxfoundation.org

diff --git a/arch/powerpc/mm/book3s64/hash_utils.c b/arch/powerpc/mm/book3s64/hash_utils.c
index 523d4d3..7e5714a 100644 (file)
--- a/arch/powerpc/mm/book3s64/hash_utils.c
+++ b/arch/powerpc/mm/book3s64/hash_utils.c
@@ -2018,11 +2018,8 @@ DEFINE_DEBUGFS_ATTRIBUTE(fops_hpt_order, hpt_order_get, hpt_order_set, "%llu\n")
 
 static int __init hash64_debugfs(void)
 {
-       if (!debugfs_create_file_unsafe("hpt_order", 0600, powerpc_debugfs_root,
-                                       NULL, &fops_hpt_order)) {
-               pr_err("lpar: unable to create hpt_order debugsfs file\n");
-       }
-
+       debugfs_create_file("hpt_order", 0600, powerpc_debugfs_root, NULL,
+                           &fops_hpt_order);
        return 0;
 }
 machine_device_initcall(pseries, hash64_debugfs);