[PATCH 1/4] landlock.7: Check syscall result with == -1 instead of <= 0

[Günther Noack <gnoack3000@xxxxxxxxx>]

As pointed out by Mickaël Salaün in
https://lore.kernel.org/linux-man/5d90e3b0-1577-7efd-03b8-f94b6e50fbc1@xxxxxxxxxxx/

Signed-off-by: Günther Noack <gnoack3000@xxxxxxxxx>
---
 man7/landlock.7 | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/man7/landlock.7 b/man7/landlock.7
index 16feef42c..fc4a95031 100644
--- a/man7/landlock.7
+++ b/man7/landlock.7
@@ -445,7 +445,7 @@ __u64 landlock_fs_access_rights[] = {
 
 int abi = landlock_create_ruleset(NULL, 0,
                                   LANDLOCK_CREATE_RULESET_VERSION);
-if (abi <= 0) {
+if (abi == \-1) {
     /*
      * Kernel too old, not compiled with Landlock,
      * or Landlock was not enabled at boot time.
-- 
2.40.0