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staging: lustre: llite: expand the GOTO macro

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The semantic patch that makes this change is as follows:
(http://coccinelle.lip6.fr/)

// <smpl>
@@
identifier lbl;
@@

if (...)
  GOTO(lbl,...);
+else
GOTO(lbl,...);

@@
identifier lbl,rc;
constant c;
expression e,e1;
@@

if (
-   e
+   !e
   )
-  GOTO(lbl,\(rc\|c\));
-else GOTO(lbl,e1);
+  e1;
+goto lbl;

@@
identifier lbl,rc;
constant c;
expression e,e1;
@@

if (e)
-  GOTO(lbl,e1);
-else GOTO(lbl,\(rc\|c\));
+  e1;
+goto lbl;

@@
identifier lbl;
expression e,e1,e2;
@@

if (e)
-  GOTO(lbl,e1);
-else GOTO(lbl,e2);
+  e1;
+else e2;
+goto lbl;

// ------------------------------------------------------------------------

@@
identifier lbl,rc;
constant c;
@@

- GOTO(lbl,\(rc\|c\));
+ goto lbl;

@@
identifier lbl;
expression rc;
@@

- GOTO(lbl,rc);
+ rc;
+ goto lbl;
// </smpl>

The rules above the line deal with the case where the goto desination is
the same whether or not the the branch is taken.  In that case, the goto is
created in just one instance after the if.  This affects only the files
namei.c and llite_lib.c.

Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Julia Lawall 2014-08-30 16:24:55 +02:00 • committed by Greg Kroah-Hartman
commit 34e1f2bb1e
18 changed files with 576 additions and 345 deletions
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