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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: d83187dda9 ("IB/IPoIB: Convert IPoIB to memalloc_noio_* calls")
Signed-off-by: Yuval Shaia <yuval.shaia@oracle.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
This commit is contained in:
Yuval Shaia 2017-12-13 12:25:19 +02:00 committed by Jason Gunthorpe
parent c058ecf6e4
commit 9d98e19ba0
1 changed files with 1 additions and 0 deletions
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1
drivers/infiniband/ulp/ipoib/ipoib_cm.c
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@ -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;
}