afs: Cope with afs_GetValidDSlot errors

[openafs.git] / src / afs / afs_disconnected.c

diff --git a/src/afs/afs_disconnected.c b/src/afs/afs_disconnected.c
index 272bc4f..c1499b1 100644 (file)
--- a/src/afs/afs_disconnected.c
+++ b/src/afs/afs_disconnected.c
@@ -72,11 +72,13 @@ afs_FindDCacheByFid(struct VenusFid *afid)
     for (index = afs_dvhashTbl[i]; index != NULLIDX;) {
        if (afs_indexUnique[index] == afid->Fid.Unique) {
            tdc = afs_GetValidDSlot(index);
-           ReleaseReadLock(&tdc->tlock);
-           if (!FidCmp(&tdc->f.fid, afid)) {
-               break;          /* leaving refCount high for caller */
+           if (tdc) {
+               ReleaseReadLock(&tdc->tlock);
+               if (!FidCmp(&tdc->f.fid, afid)) {
+                   break;              /* leaving refCount high for caller */
+               }
+               afs_PutDCache(tdc);
            }
-           afs_PutDCache(tdc);
        }
        index = afs_dvnextTbl[index];
     }