volscan: avoid printing null mount-point cellname

The 'mcell' field is null when there is no cell set in the mount point,
so do not try to print it.

Change-Id: I363310665313f7bbcca783a4d9be87aaa7b0a8fe
Reviewed-on: http://gerrit.openafs.org/10226
Reviewed-by: D Brashear <shadow@your-file-system.com>
Tested-by: D Brashear <shadow@your-file-system.com>

diff --git a/src/vol/vol-info.c b/src/vol/vol-info.c
index 0c8b2d1d1c9714dc68ccd65198d175bfe2ba706f..8ba8c7af87bb3c7681e544c2432aa0708b378f3e 100644 (file)
--- a/src/vol/vol-info.c
+++ b/src/vol/vol-info.c
@@ -2495,7 +2495,7 @@ PrintColumns(struct VnodeDetails *vdp, const char *desc)
            break;
        case col_mcell:
            printf("%s",
-                  (vdp->t == VNODE_U_MOUNT ? vdp->u.mnt.cell : PLACEHOLDER));
+                  (vdp->t == VNODE_U_MOUNT && vdp->u.mnt.cell ? vdp->u.mnt.cell : PLACEHOLDER));
            break;
        case col_mvol:
            printf("%s",