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IB/hfi1: checking for NULL instead of IS_ERR

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__get_txreq() returns an ERR_PTR() but this checks for NULL so it would
oops on failure.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
This commit is contained in:
Dan Carpenter 2015-09-16 09:22:20 +03:00 committed by Doug Ledford
parent aeef010a0f
commit 50b19729ce
1 changed files with 5 additions and 3 deletions
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8
drivers/staging/rdma/hfi1/verbs.c
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@ -749,11 +749,13 @@ static inline struct verbs_txreq *get_txreq(struct hfi1_ibdev *dev,
struct verbs_txreq *tx;
tx = kmem_cache_alloc(dev->verbs_txreq_cache, GFP_ATOMIC);
if (!tx)
if (!tx) {
/* call slow path to get the lock */
tx = __get_txreq(dev, qp);
if (tx)
tx->qp = qp;
if (IS_ERR(tx))
return tx;
}
tx->qp = qp;
return tx;
}