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authorJiri Kosina <jkosina@suse.com>2025-01-20 09:58:12 +0100
committerJiri Kosina <jkosina@suse.com>2025-01-20 09:58:12 +0100
commit670af65d2ab4a6a9bb72f014b080757e291ad3fe (patch)
treed54ccf4ba52fa9f15ed8f1de6214edc53e1502be /rust/helpers/pid_namespace.c
parent53078a736fbc60e5d3a1e14f4cd4214003815026 (diff)
parent1b1d865715e0eda52e62226261651e97673773d6 (diff)
Merge branch 'for-6.14/constify-bin-attribute' into for-linus
- constification of 'struct bin_attribute' in various HID driver (Thomas Weißschuh)
Diffstat (limited to 'rust/helpers/pid_namespace.c')
-rw-r--r--rust/helpers/pid_namespace.c26
1 files changed, 26 insertions, 0 deletions
diff --git a/rust/helpers/pid_namespace.c b/rust/helpers/pid_namespace.c
new file mode 100644
index 000000000000..f41482bdec9a
--- /dev/null
+++ b/rust/helpers/pid_namespace.c
@@ -0,0 +1,26 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include <linux/pid_namespace.h>
+#include <linux/cleanup.h>
+
+struct pid_namespace *rust_helper_get_pid_ns(struct pid_namespace *ns)
+{
+ return get_pid_ns(ns);
+}
+
+void rust_helper_put_pid_ns(struct pid_namespace *ns)
+{
+ put_pid_ns(ns);
+}
+
+/* Get a reference on a task's pid namespace. */
+struct pid_namespace *rust_helper_task_get_pid_ns(struct task_struct *task)
+{
+ struct pid_namespace *pid_ns;
+
+ guard(rcu)();
+ pid_ns = task_active_pid_ns(task);
+ if (pid_ns)
+ get_pid_ns(pid_ns);
+ return pid_ns;
+}