nsproxy: add a cleanup helper for nsproxy

brauner · brauner · commit d057c108155a · 2024-06-28T10:37:28.000+02:00
Add a simple cleanup helper for nsproxy. Link: https://lore.kernel.org/r/20240627-work-pidfs-v1-2-7e9ab6cc3bb1@kernel.org Reviewed-by: Jeff Layton <jlayton@kernel.org> Reviewed-by: Josef Bacik <josef@toxicpanda.com> Reviewed-by: Alexander Mikhalitsyn <aleksandr.mikhalitsyn@canonical.com> Signed-off-by: Christian Brauner <brauner@kernel.org>
diff --git a/include/linux/nsproxy.h b/include/linux/nsproxy.h
@@ -112,4 +112,6 @@ static inline void get_nsproxy(struct nsproxy *ns)
 	refcount_inc(&ns->count);
 }
 
+DEFINE_FREE(put_nsproxy, struct nsproxy *, if (_T) put_nsproxy(_T))
+
 #endif

Original file line number	Diff line number	Diff line change
`@@ -112,4 +112,6 @@ static inline void get_nsproxy(struct nsproxy *ns)`
`112`	`112`	`refcount_inc(&ns->count);`
`113`	`113`	`}`
`114`	`114`
	`115`	`+DEFINE_FREE(put_nsproxy, struct nsproxy *, if (_T) put_nsproxy(_T))`
	`116`	`+`
`115`	`117`	`#endif`