diff options
| author | Brian Norris <computersforpeace@gmail.com> | 2014-08-19 11:57:23 -0700 |
|---|---|---|
| committer | Brian Norris <computersforpeace@gmail.com> | 2014-08-19 11:57:23 -0700 |
| commit | 5b49ab3e03f68eb49db4bce6290e5707b7f6c6f3 (patch) | |
| tree | 090c7c069bc6c0f2b368ed8d0af861c275525411 /net/compat.c | |
| parent | b25046b1e5e3f1423434da77ccc859f2f779d1ce (diff) | |
| parent | 54ea17a597b00e46b3720e75dd7595cd5dfa5670 (diff) | |
Merge l2-mtd/next into l2-mtd/master
Diffstat (limited to 'net/compat.c')
| -rw-r--r-- | net/compat.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/net/compat.c b/net/compat.c index 9a76eaf63184..bc8aeefddf3f 100644 --- a/net/compat.c +++ b/net/compat.c @@ -85,7 +85,7 @@ int verify_compat_iovec(struct msghdr *kern_msg, struct iovec *kern_iov, { int tot_len; - if (kern_msg->msg_namelen) { + if (kern_msg->msg_name && kern_msg->msg_namelen) { if (mode == VERIFY_READ) { int err = move_addr_to_kernel(kern_msg->msg_name, kern_msg->msg_namelen, @@ -93,10 +93,11 @@ int verify_compat_iovec(struct msghdr *kern_msg, struct iovec *kern_iov, if (err < 0) return err; } - if (kern_msg->msg_name) - kern_msg->msg_name = kern_address; - } else + kern_msg->msg_name = kern_address; + } else { kern_msg->msg_name = NULL; + kern_msg->msg_namelen = 0; + } tot_len = iov_from_user_compat_to_kern(kern_iov, (struct compat_iovec __user *)kern_msg->msg_iov, |