Skip to content

cloud-kernel
cloud-kernel

openanolis / cloud-kernel
1 年多 前同步成功

通知 160
Star 36
Fork 7
cloud-kernel
cloud-kernel
切换分支/标签
  1. 20 12月, 2008 1 次提交
  3. 11 12月, 2008 5 次提交
  5. 10 12月, 2008 28 次提交
  7. 03 12月, 2008 1 次提交
  9. 02 12月, 2008 1 次提交
    • J
      [MTD] [NAND] drivers/mtd/nand/pasemi_nand.c: Add missing pci_dev_put · d9476298
      由 Julia Lawall 提交于 
      pci_get_device increments a reference count that should be decremented
using pci_dev_put.

The semantic patch that finds the problem is as follows:
(http://www.emn.fr/x-info/coccinelle/)

// <smpl>
@r exists@
local idexpression x;
statement S,S1;
position p1,p2,p3;
expression E,E1;
type T,T1;
expression *ptr != NULL;
@@

(
 if ((x@p1 = pci_get_device(...)) == NULL) S
|
 x@p1 = pci_get_device(...);
)
 ... when != pci_dev_put(...,(T)x,...)
     when != if (...) { <+... pci_dev_put(...,(T)x,...) ...+> }
     when != true x == NULL || ...
     when != x = E
     when != E = (T)x
     when any
(
 if (x == NULL || ...) S1
|
 if@p2 (...) {
  ... when != pci_dev_put(...,(T1)x,...)
      when != if (...) { <+... pci_dev_put(...,(T1)x,...) ...+> }
      when != x = E1
      when != E1 = (T1)x
(
  return \(0\|<+...x...+>\|ptr\);
|
  return@p3 ...;
)
}
)

@ script:python @
p1 << r.p1;
p3 << r.p3;
@@

print "* file: %s pci_get_device: %s return: %s" % (p1[0].file,p1[0].line,p3[0].line)
// </smpl>
Signed-off-by: NJulia Lawall <julia@diku.dk>
Acked-by: NOlof Johansson <olof@lixom.net>
Signed-off-by: NDavid Woodhouse <David.Woodhouse@intel.com>
      d9476298
  11. 27 11月, 2008 1 次提交
  13. 26 11月, 2008 3 次提交