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authorcao <[email protected]>2016-11-02 01:20:24 +0800
committerBrian Behlendorf <[email protected]>2016-11-01 10:20:24 -0700
commit981b21260e7ad35b59cee2989477276109b6b3a2 (patch)
tree81be56ae1ccc96ad1de65736d48e853a3ff9118a /module
parent2bac68145f94012d6e41dffb9f4a7faf80a8e107 (diff)
Fix coverity defects: CID 147553
CID 147553: Type:Dereference null return value Reviewed-by: Brian Behlendorf <[email protected]> Signed-off-by: cao.xuewen <[email protected]> Closes #5305
Diffstat (limited to 'module')
-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;