linux/drivers/isdn
Julia Lawall 024cb8a67f drivers/isdn: 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: David S. Miller <davem@davemloft.net>
2010-05-31 00:24:15 -07:00
..
act2000 include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
capi Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6 2010-05-25 16:59:51 -07:00
divert Merge branch 'bkl/procfs' of git://git.kernel.org/pub/scm/linux/kernel/git/frederic/random-tracing 2010-05-19 17:23:28 -07:00
gigaset Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6 2010-05-25 16:59:51 -07:00
hardware drivers/isdn/hardware/mISDN: Add missing spin_unlock 2010-05-29 00:18:48 -07:00
hisax Merge branch 'modules' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-for-linus 2010-05-21 17:15:44 -07:00
hysdn include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
i4l drivers/isdn: Use memdup_user 2010-05-31 00:24:15 -07:00
icn include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
isdnloop include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
mISDN mISDN: remove unnecessary test on f_pos 2010-05-27 09:12:56 -07:00
pcbit drivers/isdn: Use memdup_user 2010-05-31 00:24:15 -07:00
sc drivers/isdn: Use memdup_user 2010-05-31 00:24:15 -07:00
Kconfig isdn: fix a few Kconfig imperfections 2010-02-22 15:45:53 -08:00
Makefile mISDN fix main ISDN Makefile 2008-08-02 16:28:20 +02:00