X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=lttng-statedump-impl.c;h=e0d74f6f9e5b257a0636e0b9bebad94b962b7209;hb=95ee5a2e9fc23c960e4bb8077853f9bd3318f98e;hp=864637dd457fc1321c9ca09fe23764704e55eb22;hpb=3bc29f0a41b3c803245b845db2e1909042e72e9c;p=lttng-modules.git

diff --git a/lttng-statedump-impl.c b/lttng-statedump-impl.c
index 864637dd..e0d74f6f 100644
--- a/lttng-statedump-impl.c
+++ b/lttng-statedump-impl.c
@@ -214,6 +214,18 @@ int lttng_enumerate_network_ip_interface(struct lttng_session *session)
 }
 #endif /* CONFIG_INET */
 
+#ifdef FD_ISSET	/* For old kernels lacking close_on_exec() */
+static inline bool lttng_close_on_exec(int fd, const struct fdtable *fdt)
+{
+	return FD_ISSET(fd, fdt->close_on_exec);
+}
+#else
+static inline bool lttng_close_on_exec(int fd, const struct fdtable *fdt)
+{
+	return close_on_exec(fd, fdt);
+}
+#endif
+
 static
 int lttng_dump_one_fd(const void *p, struct file *file, unsigned int fd)
 {
@@ -237,7 +249,7 @@ int lttng_dump_one_fd(const void *p, struct file *file, unsigned int fd)
 	 * the lock is taken, but we are not aware whether this is
 	 * guaranteed or not, so play safe.
 	 */
-	if (fd < fdt->max_fds && test_bit(fd, fdt->close_on_exec))
+	if (fd < fdt->max_fds && lttng_close_on_exec(fd, fdt))
 		flags |= O_CLOEXEC;
 	if (IS_ERR(s)) {
 		struct dentry *dentry = file->f_path.dentry;
@@ -399,12 +411,14 @@ void lttng_statedump_process_ns(struct lttng_session *session,
 	 * "namespaces: Use task_lock and not rcu to protect nsproxy"
 	 * for details.
 	 */
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(3,17,0))
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,17,0) || \
+		LTTNG_UBUNTU_KERNEL_RANGE(3,13,11,36, 3,14,0,0) || \
+		LTTNG_UBUNTU_KERNEL_RANGE(3,16,0,11, 3,17,0,0))
+	proxy = p->nsproxy;
+#else
 	rcu_read_lock();
 	proxy = task_nsproxy(p);
-#else /* #if (LINUX_VERSION_CODE < KERNEL_VERSION(3,17,0)) */
-	proxy = p->nsproxy;
-#endif /* #else #if (LINUX_VERSION_CODE < KERNEL_VERSION(3,17,0)) */
+#endif
 	if (proxy) {
 		pid_ns = lttng_get_proxy_pid_ns(proxy);
 		do {
@@ -416,9 +430,13 @@ void lttng_statedump_process_ns(struct lttng_session *session,
 		trace_lttng_statedump_process_state(session,
 			p, type, mode, submode, status, NULL);
 	}
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(3,17,0))
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,17,0) || \
+		LTTNG_UBUNTU_KERNEL_RANGE(3,13,11,36, 3,14,0,0) || \
+		LTTNG_UBUNTU_KERNEL_RANGE(3,16,0,11, 3,17,0,0))
+	/* (nothing) */
+#else
 	rcu_read_unlock();
-#endif /* #if (LINUX_VERSION_CODE < KERNEL_VERSION(3,17,0)) */
+#endif
 }
 
 static