Commit 30a366a9 authored by Bryan Tan's avatar Bryan Tan Committed by Jason Gunthorpe

RDMA/vmw_pvrdma: Use refcount_dec_and_test to avoid warning

refcount_dec generates a warning when the operation
causes the refcount to hit zero. Avoid this by using
refcount_dec_and_test.

Fixes: 8b10ba78 ("RDMA/vmw_pvrdma: Add shared receive queue support")
Reviewed-by: default avatarAdit Ranadive <aditr@vmware.com>
Reviewed-by: default avatarAditya Sarwade <asarwade@vmware.com>
Reviewed-by: default avatarJorgen Hansen <jhansen@vmware.com>
Signed-off-by: default avatarBryan Tan <bryantan@vmware.com>
Reviewed-by: default avatarLeon Romanovsky <leonro@mellanox.com>
Signed-off-by: default avatarJason Gunthorpe <jgg@mellanox.com>
parent 17748056
......@@ -236,8 +236,8 @@ static void pvrdma_free_srq(struct pvrdma_dev *dev, struct pvrdma_srq *srq)
dev->srq_tbl[srq->srq_handle] = NULL;
spin_unlock_irqrestore(&dev->srq_tbl_lock, flags);
refcount_dec(&srq->refcnt);
wait_event(srq->wait, !refcount_read(&srq->refcnt));
if (!refcount_dec_and_test(&srq->refcnt))
wait_event(srq->wait, !refcount_read(&srq->refcnt));
/* There is no support for kernel clients, so this is safe. */
ib_umem_release(srq->umem);
......
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