mm: kmemleak: no need to check return value of debugfs_create functions

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.

Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: linux-mm@kvack.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/mm/kmemleak.c b/mm/kmemleak.c
index e57bf810f7983ac20663b92046250cb1f6bf1b53..9857446021af90c14f84dbfbbc8463c1f494a92c 100644 (file)
--- a/mm/kmemleak.c
+++ b/mm/kmemleak.c
@@ -2118,14 +2118,9 @@ void __init kmemleak_init(void)
  */
 static int __init kmemleak_late_init(void)
 {
-       struct dentry *dentry;
-
        kmemleak_initialized = 1;
 
-       dentry = debugfs_create_file("kmemleak", 0644, NULL, NULL,
-                                    &kmemleak_fops);
-       if (!dentry)
-               pr_warn("Failed to create the debugfs kmemleak file\n");
+       debugfs_create_file("kmemleak", 0644, NULL, NULL, &kmemleak_fops);
 
        if (kmemleak_error) {
                /*