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From: SF Markus Elfring <elfring@users.sourceforge.net>
To: Kees Cook <keescook@chromium.org>
Cc: Anton Vorontsov <anton@enomsg.org>,
	Colin Cross <ccross@android.com>, Tony Luck <tony.luck@intel.com>,
	kernel-janitors@vger.kernel.org,
	LKML <linux-kernel@vger.kernel.org>
Subject: Re: pstore: Improve a size determination in three functions
Date: Wed, 16 Aug 2017 22:03:32 +0200	[thread overview]
Message-ID: <713573fc-52e8-d7a0-f4c0-2ce514dd1d1f@users.sourceforge.net> (raw)
In-Reply-To: <CAGXu5jLdTHJB576tqhpPZb_cV0B4zMnSAVkG=DzTN-dT51iAsw@mail.gmail.com>

> Which script detected this?

* checkpatch.pl

* The following approach for the semantic patch language.

@replacement@
identifier action, var, work;
statement s1, s2;
statement list sl;
type T, X;
@@
 T work(...)
 {
 ... when any
 X* var;
 ... when any
 var = action(...,
              sizeof(
-                    X
+                    *var
                    ),
              ...
             )
 ... when any
 }

  reply	other threads:[~2017-08-16 20:03 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-08-16 19:20 [PATCH 0/3] pstore: Adjustments for some function implementations SF Markus Elfring
2017-08-16 19:21 ` [PATCH 1/3] pstore: Delete six error messages for a failed memory allocation SF Markus Elfring
2017-08-16 19:32   ` Kees Cook
2017-08-16 19:58     ` SF Markus Elfring
2017-08-16 19:22 ` [PATCH 2/3] pstore: Improve a size determination in three functions SF Markus Elfring
2017-08-16 19:33   ` Kees Cook
2017-08-16 20:03     ` SF Markus Elfring [this message]
2017-08-16 19:23 ` [PATCH 3/3] pstore: Adjust two checks for null pointers SF Markus Elfring
2017-08-16 19:32   ` Kees Cook

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