Merge tag 'sound-4.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai...

[firefly-linux-kernel-4.4.55.git] / net / core / sock_diag.c

diff --git a/net/core/sock_diag.c b/net/core/sock_diag.c
index d79866c5f8bc51dac4cc4f3445a88f8ac1e6babf..817622f3dbb79e3f94ec5257be032ec5574185d6 100644 (file)
--- a/net/core/sock_diag.c
+++ b/net/core/sock_diag.c
@@ -90,6 +90,9 @@ int sock_diag_put_filterinfo(bool may_report_filterinfo, struct sock *sk,
                goto out;
 
        fprog = filter->prog->orig_prog;
+       if (!fprog)
+               goto out;
+
        flen = bpf_classic_proglen(fprog);
 
        attr = nla_reserve(skb, attrtype, flen);