From: Jesper Juhl <jesper.juhl@gmail.com>
Date: Thu, 13 Oct 2005 19:31:08 +0000 (+0200)
Subject: [PATCH] Driver Core: Big kfree NULL check cleanup - Documentation
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=a3a3395e487abc4c1371fe319a8ecbb3913a70a4;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git

[PATCH] Driver Core: Big kfree NULL check cleanup - Documentation

This is the Documentation/ part of the big kfree cleanup patch.

Remove pointless checks for NULL prior to calling kfree() in example code in Documentation/.

Signed-off-by: Jesper Juhl <jesper.juhl@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---

diff --git a/Documentation/DocBook/writing_usb_driver.tmpl b/Documentation/DocBook/writing_usb_driver.tmpl
index 51f3bfb6fb6e..008a341234d0 100644
--- a/Documentation/DocBook/writing_usb_driver.tmpl
+++ b/Documentation/DocBook/writing_usb_driver.tmpl
@@ -345,8 +345,7 @@ if (!retval) {
   <programlisting>
 static inline void skel_delete (struct usb_skel *dev)
 {
-    if (dev->bulk_in_buffer != NULL)
-        kfree (dev->bulk_in_buffer);
+    kfree (dev->bulk_in_buffer);
     if (dev->bulk_out_buffer != NULL)
         usb_buffer_free (dev->udev, dev->bulk_out_size,
             dev->bulk_out_buffer,