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| author |   Trond Myklebust <trond.myklebust@primarydata.com> | 2015-04-23 15:16:37 -0400 |
|---|---|---|
| committer | Trond Myklebust <trond.myklebust@primarydata.com> | 2015-04-23 15:16:37 -0400 |
| commit | f139b6c676c7e49b66016b28bf3f8ec5c54be891 (patch) | |
| tree | 742f00e431dded1daf642b44f4c199b318f255dc /net/compat.c | |
| parent | Merge branch 'bugfixes' (diff) | |
| parent | xprtrdma: Make rpcrdma_{un}map_one() into inline functions (diff) | |
| download | linux-dev-f139b6c676c7e49b66016b28bf3f8ec5c54be891.tar.xz linux-dev-f139b6c676c7e49b66016b28bf3f8ec5c54be891.zip | |
Merge tag 'nfs-rdma-for-4.1-1' of git://git.linux-nfs.org/projects/anna/nfs-rdma
NFS: NFSoRDMA Client Changes
This patch series creates an operation vector for each of the different
memory registration modes. This should make it easier to one day increase
credit limit, rsize, and wsize.
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Diffstat (limited to 'net/compat.c')
| -rw-r--r-- | net/compat.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/net/compat.c b/net/compat.c index 94d3d5e97883..f7bd286a8280 100644 --- a/net/compat.c +++ b/net/compat.c @@ -49,6 +49,13 @@ ssize_t get_compat_msghdr(struct msghdr *kmsg, __get_user(kmsg->msg_controllen, &umsg->msg_controllen) || __get_user(kmsg->msg_flags, &umsg->msg_flags)) return -EFAULT; + + if (!uaddr) + kmsg->msg_namelen = 0; + + if (kmsg->msg_namelen < 0) + return -EINVAL; + if (kmsg->msg_namelen > sizeof(struct sockaddr_storage)) kmsg->msg_namelen = sizeof(struct sockaddr_storage); kmsg->msg_control = compat_ptr(tmp3); |