Re: [PATCH] netlink: do not proceed if dump's start() errs

From: "Jason A. Donenfeld" <Jason@zx2c4.com>
Date: 2017-09-27 12:51:01
Also in: lkml, stable

On Wed, Sep 27, 2017 at 2:39 PM, Jason A. Donenfeld [off-list ref] wrote:

-       if (cb->start)
-               cb->start(cb);
+       if (cb->start) {
+               ret = cb->start(cb);
+               if (ret)

I need to sock_put(sk); before returning. I'll fix this for v2, but
will for additional comments in case anybody has some.

+                       return ret;
+       }

        ret = netlink_dump(sk);
        sock_put(sk);