Julia Lawall f67231f801 drivers/char/applicom.c: use memdup_user
Use memdup_user when user data is immediately copied into the
allocated region.

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

// <smpl>
@@
expression from,to,size,flag;
position p;
identifier l1,l2;
@@

-  to = \(kmalloc@p\|kzalloc@p\)(size,flag);
+  to = memdup_user(from,size);
   if (
-      to==NULL
+      IS_ERR(to)
                 || ...) {
   <+... when != goto l1;
-  -ENOMEM
+  PTR_ERR(to)
   ...+>
   }
-  if (copy_from_user(to, from, size) != 0) {
-    <+... when != goto l2;
-    -EFAULT
-    ...+>
-  }
// </smpl>

Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-05-27 09:12:50 -07:00
..
2009-09-24 07:21:03 -07:00
2010-05-17 09:08:18 +10:00
2010-04-23 02:08:44 +02:00
2010-05-17 03:06:12 +02:00
2010-05-27 09:12:50 -07:00
2009-12-10 22:55:36 +01:00
2010-05-27 09:12:50 -07:00
2010-05-21 09:34:29 -07:00
2009-07-12 12:22:34 -07:00
2010-05-27 09:12:50 -07:00
2010-05-27 09:12:50 -07:00
2010-05-20 19:55:01 +10:00
2009-07-12 12:22:34 -07:00
2009-06-11 08:51:01 -07:00
2010-05-21 09:34:31 -07:00
2009-07-12 12:22:34 -07:00
2009-09-01 01:13:31 -07:00
2009-10-14 17:36:53 +02:00
2010-01-04 12:31:21 -08:00
2010-03-02 14:43:22 -08:00
2010-05-27 09:12:40 -07:00