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authorLen Brown <len.brown@intel.com>2010-08-15 01:06:31 -0400
committerLen Brown <len.brown@intel.com>2010-08-15 01:06:31 -0400
commit95ee46aa8698f2000647dfb362400fadbb5807cf (patch)
treee5a05c7297f997e191c73091934e42e3195c0e40 /net/can/raw.c
parentcfa806f059801dbe7e435745eb2e187c8bfe1e7f (diff)
parent92fa5bd9a946b6e7aab6764e7312e4e3d9bed295 (diff)
Merge branch 'linus' into release
Conflicts: drivers/acpi/debug.c Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'net/can/raw.c')
-rw-r--r--net/can/raw.c15
1 files changed, 7 insertions, 8 deletions
diff --git a/net/can/raw.c b/net/can/raw.c
index da99cf153b3..a10e3338f08 100644
--- a/net/can/raw.c
+++ b/net/can/raw.c
@@ -436,14 +436,9 @@ static int raw_setsockopt(struct socket *sock, int level, int optname,
if (count > 1) {
/* filter does not fit into dfilter => alloc space */
- filter = kmalloc(optlen, GFP_KERNEL);
- if (!filter)
- return -ENOMEM;
-
- if (copy_from_user(filter, optval, optlen)) {
- kfree(filter);
- return -EFAULT;
- }
+ filter = memdup_user(optval, optlen);
+ if (IS_ERR(filter))
+ return PTR_ERR(filter);
} else if (count == 1) {
if (copy_from_user(&sfilter, optval, sizeof(sfilter)))
return -EFAULT;
@@ -655,6 +650,10 @@ static int raw_sendmsg(struct kiocb *iocb, struct socket *sock,
err = sock_tx_timestamp(msg, sk, skb_tx(skb));
if (err < 0)
goto free_skb;
+
+ /* to be able to check the received tx sock reference in raw_rcv() */
+ skb_tx(skb)->prevent_sk_orphan = 1;
+
skb->dev = dev;
skb->sk = sk;