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IB/rdmavt: restore IRQs on error path in rvt_create_ah()

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[ Upstream commit f0bb2d44ca ]

We need to call spin_unlock_irqrestore() instead of vanilla
spin_unlock() on this error path.

Fixes: 119a8e708d ("IB/rdmavt: Add AH to rdmavt")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Leon Romanovsky <leonro@mellanox.com>
Acked-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Dan Carpenter
2017-04-27 12:14:20 +03:00
committed by Greg Kroah-Hartman
parent b642685751
commit 566edbdefb
1 changed files with 1 additions and 1 deletions
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2
drivers/infiniband/sw/rdmavt/ah.c
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@@ -119,7 +119,7 @@ struct ib_ah *rvt_create_ah(struct ib_pd *pd,
spin_lock_irqsave(&dev->n_ahs_lock, flags);
if (dev->n_ahs_allocated == dev->dparms.props.max_ah) {
spin_unlock(&dev->n_ahs_lock);
spin_unlock_irqrestore(&dev->n_ahs_lock, flags);
kfree(ah);
return ERR_PTR(-ENOMEM);
}