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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2016-11-14 08:53:56 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2016-11-14 08:53:56 +0100
commitce0347c2b089eb6ad6c14ab628a0ba5eb42f1492 (patch)
treeac46f6168ebf7d44e33903f35f699cda2ec21ace /net/sctp/socket.c
parentabbdc56b17d662ae710bc0c30cf0d0e9da805fd4 (diff)
parenta25f0944ba9b1d8a6813fd6f1a86f1bd59ac25a6 (diff)
downloadlinux-ce0347c2b089eb6ad6c14ab628a0ba5eb42f1492.tar.bz2
Merge 4.9-rc5 into staging-next
We want the staging/iio fixes in here as well to resolve issues and merge problems. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'net/sctp/socket.c')
-rw-r--r--net/sctp/socket.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/net/sctp/socket.c b/net/sctp/socket.c
index fb02c7033307..9fbb6feb8c27 100644
--- a/net/sctp/socket.c
+++ b/net/sctp/socket.c
@@ -4687,7 +4687,7 @@ static int sctp_getsockopt_disable_fragments(struct sock *sk, int len,
static int sctp_getsockopt_events(struct sock *sk, int len, char __user *optval,
int __user *optlen)
{
- if (len <= 0)
+ if (len == 0)
return -EINVAL;
if (len > sizeof(struct sctp_event_subscribe))
len = sizeof(struct sctp_event_subscribe);
@@ -6430,6 +6430,9 @@ static int sctp_getsockopt(struct sock *sk, int level, int optname,
if (get_user(len, optlen))
return -EFAULT;
+ if (len < 0)
+ return -EINVAL;
+
lock_sock(sk);
switch (optname) {