[NEIGH]: Fix race between neigh_parms_release and neightbl_fill_parms

[pandora-kernel.git] / net / compat.c

diff --git a/net/compat.c b/net/compat.c
index 9a0f5f2..377e560 100644 (file)
--- a/net/compat.c
+++ b/net/compat.c
@@ -254,6 +254,8 @@ int put_cmsg_compat(struct msghdr *kmsg, int level, int type, int len, void *dat
        if (copy_to_user(CMSG_COMPAT_DATA(cm), data, cmlen - sizeof(struct compat_cmsghdr)))
                return -EFAULT;
        cmlen = CMSG_COMPAT_SPACE(len);
+       if (kmsg->msg_controllen < cmlen)
+               cmlen = kmsg->msg_controllen;
        kmsg->msg_control += cmlen;
        kmsg->msg_controllen -= cmlen;
        return 0;
@@ -276,7 +278,8 @@ void scm_detach_fds_compat(struct msghdr *kmsg, struct scm_cookie *scm)
                err = security_file_receive(fp[i]);
                if (err)
                        break;
-               err = get_unused_fd();
+               err = get_unused_fd_flags(MSG_CMSG_CLOEXEC & kmsg->msg_flags
+                                         ? O_CLOEXEC : 0);
                if (err < 0)
                        break;
                new_fd = err;