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Commit 9d98e19b authored by Yuval Shaia's avatar Yuval Shaia Committed by Jason Gunthorpe
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IB/ipoib: Restore MM behavior in case of tx_ring allocation failure 



memalloc_noio_save modifies the behavior of MM, we must restore it after
we are done.

Fixes: d83187dd ("IB/IPoIB: Convert IPoIB to memalloc_noio_* calls")
Signed-off-by: default avatarYuval Shaia <yuval.shaia@oracle.com>
Signed-off-by: default avatarJason Gunthorpe <jgg@mellanox.com>
parent c058ecf6

drivers/infiniband/ulp/ipoib/ipoib_cm.c

+1 −0
Original line number Diff line number Diff line
@@ -1145,6 +1145,7 @@ static int ipoib_cm_tx_init(struct ipoib_cm_tx *p, u32 qpn, 
	noio_flag = memalloc_noio_save();

	p->tx_ring = vzalloc(ipoib_sendq_size * sizeof(*p->tx_ring));

	if (!p->tx_ring) {

		memalloc_noio_restore(noio_flag);

		ret = -ENOMEM;

		goto err_tx;

	}