fabrics: make 'disconnect' accepting only -n or -d

There is limited usability in specifying both -n and -d, so make
both exclusive.

Signed-off-by: Hannes Reinecke <hare@suse.de>

diff --git a/fabrics.c b/fabrics.c
index 9dfb14bfcf8b34dbccd421830bf57f5180aacb9d..ab17e179c47698ac9aafb11fc96419558f139842 100644 (file)
--- a/fabrics.c
+++ b/fabrics.c
@@ -1189,6 +1189,11 @@ int nvmf_disconnect(const char *desc, int argc, char **argv)
        if (ret)
                return ret;
 
+       if (cfg.nqn && cfg.device) {
+               fprintf(stderr,
+                       "Both device name [--device | -d] and NQN [--nqn | -n] are specified\n");
+               return -EINVAL;
+       }
        if (!cfg.nqn && !cfg.device) {
                fprintf(stderr,
                        "Neither device name [--device | -d] nor NQN [--nqn | -n] provided\n");