1. 29 11月, 2009 7 次提交
  2. 22 11月, 2009 1 次提交
    • J
      drivers/pcmcia: remove unnecessary kzalloc · 78a14e27
      Julia Lawall 提交于
      The result of calling kzalloc is never used or freed.
      
      The semantic match that finds this problem is as follows:
      (http://www.emn.fr/x-info/coccinelle/)
      
      // <smpl>
      @r exists@
      local idexpression x;
      statement S;
      expression E;
      identifier f,f1,l;
      position p1,p2;
      expression *ptr != NULL;
      @@
      
      x@p1 = \(kmalloc\|kzalloc\|kcalloc\)(...);
      ...
      if (x == NULL) S
      <... when != x
           when != if (...) { <+...x...+> }
      (
      x->f1 = E
      |
       (x->f1 == NULL || ...)
      |
       f(...,x->f1,...)
      )
      ...>
      (
       return \(0\|<+...x...+>\|ptr\);
      |
       return@p2 ...;
      )
      
      @script:python@
      p1 << r.p1;
      p2 << r.p2;
      @@
      
      print "* file: %s kmalloc %s return %s" % (p1[0].file,p1[0].line,p2[0].line)
      // </smpl>
      Signed-off-by: NJulia Lawall <julia@diku.dk>
      Signed-off-by: NDominik Brodowski <linux@dominikbrodowski.net>
      78a14e27
  3. 12 11月, 2009 2 次提交
  4. 09 11月, 2009 30 次提交