[PATCH net-next v2] bpf: cgroup: fix documentation of __cgroup_bpf_update()

[Daniel Mack <daniel@zonque.org>]

There's a 'not' missing in one paragraph. Add it.

Signed-off-by: Daniel Mack <daniel@zonque.org>
Reported-by: Rami Rosen <roszenrami@gmail.com>
Fixes: 3007098494be ("cgroup: add support for eBPF programs")
---
 kernel/bpf/cgroup.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/kernel/bpf/cgroup.c b/kernel/bpf/cgroup.c
index a0ab43f..8c784f8 100644
--- a/kernel/bpf/cgroup.c
+++ b/kernel/bpf/cgroup.c
@@ -66,8 +66,8 @@ void cgroup_bpf_inherit(struct cgroup *cgrp, struct cgroup *parent)
  * Each cgroup has a set of two pointers for bpf programs; one for eBPF
  * programs it owns, and which is effective for execution.
  *
- * If @prog is %NULL, this function attaches a new program to the cgroup and
- * releases the one that is currently attached, if any. @prog is then made
+ * If @prog is not %NULL, this function attaches a new program to the cgroup
+ * and releases the one that is currently attached, if any. @prog is then made
  * the effective program of type @type in that cgroup.
  *
  * If @prog is %NULL, the currently attached program of type @type is released,
-- 
2.7.4