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.

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>
(cherry picked from commit db2ed13359ce8e3cd6a4981f8ce8e10ba61f6463)

Change-Id: I96ba7dec59cc6e0fc5663e8e037d76d1006905a7
Reviewed-on: http://gerrit.openafs.org/11275
Reviewed-by: Chas Williams - CONTRACTOR <chas@cmf.nrl.navy.mil>
Reviewed-by: Andrew Deason <adeason@sinenomine.net>
Tested-by: BuildBot <buildbot@rampaginggeek.com>
Reviewed-by: Stephan Wiesand <stephan.wiesand@desy.de>

diff --git a/src/vol/vol-info.c b/src/vol/vol-info.c
index b46980bcb581e9081e7813900737417d88e31dfc..5eccbb07aaea73daa6ac95e8c7c2b3b5f0564688 100644 (file)
--- a/src/vol/vol-info.c
+++ b/src/vol/vol-info.c
@@ -2521,7 +2521,7 @@ 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",