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ipc: port to ns_ref_*() helpers

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Stop accessing ns.count directly.

Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Christian Brauner <brauner@kernel.org>
This commit is contained in:
Christian Brauner
2025-09-18 12:11:49 +02:00
parent 06099e374f
commit d4825c99d6
2 changed files with 3 additions and 3 deletions
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4
include/linux/ipc_namespace.h
View File

@@ -140,14 +140,14 @@ extern struct ipc_namespace *copy_ipcs(unsigned long flags,
static inline struct ipc_namespace *get_ipc_ns(struct ipc_namespace *ns)
{
if (ns)
refcount_inc(&ns->ns.count);
ns_ref_inc(ns);
return ns;
}
static inline struct ipc_namespace *get_ipc_ns_not_zero(struct ipc_namespace *ns)
{
if (ns) {
if (refcount_inc_not_zero(&ns->ns.count))
if (ns_ref_get(ns))
return ns;
}

2
ipc/namespace.c
View File

@@ -199,7 +199,7 @@ static void free_ipc(struct work_struct *unused)
*/
void put_ipc_ns(struct ipc_namespace *ns)
{
if (refcount_dec_and_lock(&ns->ns.count, &mq_lock)) {
if (ns_ref_put_and_lock(ns, &mq_lock)) {
mq_clear_sbinfo(ns);
spin_unlock(&mq_lock);