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From: Thomas Devoogdt <thomas.devoogdt@barco.com>
Date: Tue, 25 Mar 2025 11:58:18 +0100
Subject: lsns: fix undefined reference to add_namespace_for_nsfd #3483
Fixes:
sys-utils/lsns-lsns.o: In function `read_process':
lsns.c:(.text+0x9e8): undefined reference to `add_namespace_for_nsfd'
collect2: error: ld returned 1 exit status
Signed-off-by: Thomas Devoogdt <thomas.devoogdt@barco.com>
(cherry picked from commit 2ced43400f35f7bd45b29364e04166a63a06e16a)
---
sys-utils/lsns.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/sys-utils/lsns.c b/sys-utils/lsns.c
index 2b613cf..4c49a8b 100644
--- a/sys-utils/lsns.c
+++ b/sys-utils/lsns.c
@@ -587,7 +587,10 @@ static void add_namespace_from_sock(struct lsns *ls, pid_t pid, uint64_t fd)
if (get_namespace(ls, sb.st_ino))
goto out_nsfd;
+#ifdef USE_NS_GET_API
add_namespace_for_nsfd(ls, nsfd, sb.st_ino);
+#endif
+
out_nsfd:
close(nsfd);
out_sk:
@@ -608,6 +611,7 @@ static void add_namespace_from_sock(struct lsns *ls __attribute__((__unused__)),
{
}
#endif /* HAVE_LINUX_NET_NAMESPACE_H */
+
/* Read namespaces open(2)ed explicitly by the process specified by `pc'. */
static void read_opened_namespaces(struct lsns *ls, struct path_cxt *pc, pid_t pid)
{
@@ -627,11 +631,13 @@ static void read_opened_namespaces(struct lsns *ls, struct path_cxt *pc, pid_t p
if (st.st_dev == ls->nsfs_dev) {
if (get_namespace(ls, st.st_ino))
continue;
+#ifdef USE_NS_GET_API
int fd = ul_path_openf(pc, O_RDONLY, "fd/%ju", (uintmax_t) num);
if (fd >= 0) {
add_namespace_for_nsfd(ls, fd, st.st_ino);
close(fd);
}
+#endif
} else if ((st.st_mode & S_IFMT) == S_IFSOCK) {
add_namespace_from_sock(ls, pid, num);
}
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