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RDMA/ocrdma: Fix an error code in ocrdma_alloc_pd()

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We should preserve the original "status" error code instead of resetting
it to zero.  Returning ERR_PTR(0) is the same as NULL and results in a
NULL dereference in the callers.  I added a printk() on error instead.

Fixes: 45e86b33ec ("RDMA/ocrdma: Cache recv DB until QP moved to RTR")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
This commit is contained in:
Dan Carpenter
2017-07-13 10:46:14 +03:00
committed by Doug Ledford
parent 9064d6055c
commit dd75cfa6d3
1 changed files with 2 additions and 1 deletions
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3
drivers/infiniband/hw/ocrdma/ocrdma_verbs.c
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@@ -744,7 +744,8 @@ struct ib_pd *ocrdma_alloc_pd(struct ib_device *ibdev,
if (is_uctx_pd) {
ocrdma_release_ucontext_pd(uctx);
} else {
status = _ocrdma_dealloc_pd(dev, pd);
if (_ocrdma_dealloc_pd(dev, pd))
pr_err("%s: _ocrdma_dealloc_pd() failed\n", __func__);
}
exit:
return ERR_PTR(status);