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authorSteven Rostedt <rostedt@goodmis.org>2024-08-14 16:56:42 -0400
committerSteven Rostedt (Google) <rostedt@goodmis.org>2024-08-14 16:59:28 -0400
commitee057c8c194b9283f4137b253b70e292693a39f0 (patch)
tree4ee9868bfc432e0b1230016cd316468719f0b477 /net/core/net_namespace.c
parentb96c312551b241bc17226c5347c6d6b38a1efd3e (diff)
parent7c626ce4bae1ac14f60076d00eafe71af30450ba (diff)
Merge tag 'v6.11-rc3' into trace/ring-buffer/core
The "reserve_mem" kernel command line parameter has been pulled into v6.11. Merge the latest -rc3 to allow the persistent ring buffer memory to be able to be mapped at the address specified by the "reserve_mem" command line parameter. Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
Diffstat (limited to 'net/core/net_namespace.c')
-rw-r--r--net/core/net_namespace.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/net/core/net_namespace.c b/net/core/net_namespace.c
index 4f7a61688d18..6a823ba906c6 100644
--- a/net/core/net_namespace.c
+++ b/net/core/net_namespace.c
@@ -693,11 +693,16 @@ EXPORT_SYMBOL_GPL(__put_net);
* get_net_ns - increment the refcount of the network namespace
* @ns: common namespace (net)
*
- * Returns the net's common namespace.
+ * Returns the net's common namespace or ERR_PTR() if ref is zero.
*/
struct ns_common *get_net_ns(struct ns_common *ns)
{
- return &get_net(container_of(ns, struct net, ns))->ns;
+ struct net *net;
+
+ net = maybe_get_net(container_of(ns, struct net, ns));
+ if (net)
+ return &net->ns;
+ return ERR_PTR(-EINVAL);
}
EXPORT_SYMBOL_GPL(get_net_ns);