Stop map_dev from returning [0:0]

[thirdparty/mdadm.git] / Grow.c

diff --git a/Grow.c b/Grow.c
index 61347b7b12df021b43516ffe8dc147dc0f49e51d..1ab4fbc9bb542e18af6029a360190d12502b246c 100644 (file)
--- a/Grow.c
+++ b/Grow.c
@@ -657,7 +657,7 @@ int Grow_reshape(char *devname, int fd, int quiet, char *backup_file,
                                offsets[sd->role] = sd->offset;
                                if (fdlist[sd->role] < 0) {
                                        fprintf(stderr, Name ": %s: cannot open component %s\n",
-                                               devname, dn);
+                                               devname, dn?dn:"-unknown-");
                                        goto abort;
                                }
                        } else {
@@ -667,7 +667,7 @@ int Grow_reshape(char *devname, int fd, int quiet, char *backup_file,
                                offsets[d] = sd->offset;
                                if (fdlist[d]<0) {
                                        fprintf(stderr, Name ": %s: cannot open component %s\n",
-                                               devname, dn);
+                                               devname, dn?dn:"-unknown");
                                        goto abort;
                                }
                                d++;