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Julia Lawall 16dff91804 net/can: 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 00:24:11 -07:00
..
9p kernel-wide: replace USHORT_MAX, SHORT_MAX and SHORT_MIN with USHRT_MAX, SHRT_MAX and SHRT_MIN 2010-05-25 08:07:02 -07:00
802
…
8021q net: Remove unnecessary semicolons after switch statements 2010-05-17 17:44:35 -07:00
appletalk
…
atm net: Remove unnecessary returns from void function()s 2010-05-17 23:23:14 -07:00
ax25
…
bluetooth net: Remove unnecessary returns from void function()s 2010-05-17 23:23:14 -07:00
bridge sysfs: add struct file* to bin_attr callbacks 2010-05-21 09:37:31 -07:00
caif caif: unlock on error path in cfserl_receive() 2010-05-29 00:18:50 -07:00
can net/can: Use memdup_user 2010-05-31 00:24:11 -07:00
core net: remove zap_completion_queue 2010-05-31 00:24:01 -07:00
dcb
…
dccp Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6 2010-05-25 16:59:51 -07:00
decnet net: Remove unnecessary returns from void function()s 2010-05-17 23:23:14 -07:00
dsa
…
econet
…
ethernet net: Inline skb_pull() in eth_type_trans(). 2010-05-02 02:21:44 -07:00
ieee802154 ieee802154: Fix possible NULL pointer dereference in wpan_phy_alloc 2010-05-23 23:11:07 -07:00
ipv4 tcp: tcp_md5_hash_skb_data() frag_list handling 2010-05-31 00:24:02 -07:00
ipv6 net: fix sk_forward_alloc corruptions 2010-05-29 00:20:48 -07:00
ipx
…
irda net: Remove unnecessary returns from void function()s 2010-05-17 23:23:14 -07:00
iucv Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6 2010-05-28 10:18:40 -07:00
key pfkey: add severity to printk 2010-05-17 23:23:13 -07:00
l2tp
…
lapb
…
llc Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 2010-05-12 00:05:35 -07:00
mac80211 Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 2010-05-31 00:10:35 -07:00
netfilter xt_tee: use skb_dst_drop() 2010-05-28 03:41:17 -07:00
netlabel net: Remove unnecessary returns from void function()s 2010-05-17 23:23:14 -07:00
netlink netlink: Implment netlink_broadcast_filtered 2010-05-21 09:37:32 -07:00
netrom
…
packet
…
phonet Phonet: listening socket lock protects the connected socket list 2010-05-29 00:18:50 -07:00
rds net/rds: Add missing mutex_unlock 2010-05-29 00:18:48 -07:00
rfkill
…
rose
…
rxrpc net: sock_def_readable() and friends RCU conversion 2010-05-01 15:00:15 -07:00
sched cls_cgroup: Store classid in struct sock 2010-05-24 00:12:34 -07:00
sctp net: Remove unnecessary returns from void function()s 2010-05-17 23:23:14 -07:00
sunrpc sunrpc: fix leak on error on socket xprt setup 2010-05-26 08:43:50 -04:00
tipc tipc: Reduce footprint by un-inlining tipc_msg_* routines 2010-05-12 23:02:29 -07:00
unix unix/garbage: kill copy of the skb queue walker 2010-05-03 15:39:58 -07:00
wanrouter
…
wimax Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6 2010-05-20 21:04:44 -07:00
wireless cfg80211: add missing braces 2010-05-21 14:40:01 -04:00
x25 X25: Remove bkl in sockopts 2010-05-17 17:39:28 -07:00
xfrm net: Remove unnecessary returns from void function()s 2010-05-17 23:23:14 -07:00
Kconfig net/sysfs: Fix the bitrot in network device kobject namespace support 2010-05-21 09:37:32 -07:00
Makefile
…
TUNABLE
…
compat.c
…
nonet.c
…
socket.c cls_cgroup: Store classid in struct sock 2010-05-24 00:12:34 -07:00
sysctl_net.c net: Remove unnecessary returns from void function()s 2010-05-17 23:23:14 -07:00