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-rw-r--r--module/zfs/dmu_tx.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/module/zfs/dmu_tx.c b/module/zfs/dmu_tx.c
index d8bd7cb78..3ee946885 100644
--- a/module/zfs/dmu_tx.c
+++ b/module/zfs/dmu_tx.c
@@ -1249,7 +1249,8 @@ dmu_tx_unassign(dmu_tx_t *tx)
* Walk the transaction's hold list, removing the hold on the
* associated dnode, and notifying waiters if the refcount drops to 0.
*/
- for (txh = list_head(&tx->tx_holds); txh != tx->tx_needassign_txh;
+ for (txh = list_head(&tx->tx_holds);
+ txh && txh != tx->tx_needassign_txh;
txh = list_next(&tx->tx_holds, txh)) {
dnode_t *dn = txh->txh_dnode;