statmount: fix security option retrieval

Fix the inverted check for security_sb_show_options().

Link: https://lore.kernel.org/r/[email protected]
Link: https://lore.kernel.org/r/20241120-verehren-rhabarber-83a11b297bcc@brauner
Fixes: aefff51 ("statmount: retrieve security mount options")
Reviewed-by: Jeff Layton <[email protected]>
Reported-by: Dan Carpenter <[email protected]>
Cc: [email protected] # mainline only
Signed-off-by: Christian Brauner <[email protected]>

Author: brauner

fs/namespace.c

@@ -5116,7 +5116,7 @@ static int statmount_opt_sec_array(struct kstatmount *s, struct seq_file *seq)
 	int err;
 
 	err = security_sb_show_options(seq, sb);
-	if (!err)
+	if (err)
 		return err;
 
 	err = statmount_opt_process(seq, start);