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Fix compilation for 3.0 kernels that are named 2.6.40
[lttng-modules.git]
/
lttng-context-hostname.c
diff --git
a/lttng-context-hostname.c
b/lttng-context-hostname.c
index e38340b72ec7bf53f8272ddacac5cf7434212498..6dc14f9c1cfef5930059172d21ed0ed0fa6f61e0 100644
(file)
--- a/
lttng-context-hostname.c
+++ b/
lttng-context-hostname.c
@@
-49,8
+49,11
@@
void hostname_record(struct lttng_ctx_field *field,
struct uts_namespace *ns;
char *hostname;
struct uts_namespace *ns;
char *hostname;
- rcu_read_lock();
- nsproxy = task_nsproxy(current);
+ /*
+ * No need to take the RCU read-side lock to read current
+ * nsproxy. (documented in nsproxy.h)
+ */
+ nsproxy = current->nsproxy;
if (nsproxy) {
ns = nsproxy->uts_ns;
hostname = ns->name.nodename;
if (nsproxy) {
ns = nsproxy->uts_ns;
hostname = ns->name.nodename;
@@
-60,7
+63,6
@@
void hostname_record(struct lttng_ctx_field *field,
chan->ops->event_memset(ctx, 0,
LTTNG_HOSTNAME_CTX_LEN);
}
chan->ops->event_memset(ctx, 0,
LTTNG_HOSTNAME_CTX_LEN);
}
- rcu_read_unlock();
}
int lttng_add_hostname_to_ctx(struct lttng_ctx **ctx)
}
int lttng_add_hostname_to_ctx(struct lttng_ctx **ctx)
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