diff options
Diffstat (limited to 'net/core/scm.c')
| -rw-r--r-- | net/core/scm.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/net/core/scm.c b/net/core/scm.c index 100ba6d9d47..10f5c65f6a4 100644 --- a/net/core/scm.c +++ b/net/core/scm.c @@ -196,6 +196,8 @@ int put_cmsg(struct msghdr * msg, int level, int type, int len, void *data) if (copy_to_user(CMSG_DATA(cm), data, cmlen - sizeof(struct cmsghdr))) goto out; cmlen = CMSG_SPACE(len); + if (msg->msg_controllen < cmlen) + cmlen = msg->msg_controllen; msg->msg_control += cmlen; msg->msg_controllen -= cmlen; err = 0; |