| From | Sasha Levin <> | Subject | [PATCH AUTOSEL for 4.9 112/190] IB/rdmavt: restore IRQs on error path in rvt_create_ah() | Date | Thu, 8 Mar 2018 04:59:41 +0000 |
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From: Dan Carpenter <dan.carpenter@oracle.com>
[ Upstream commit f0bb2d44ca26b7090dc7bade8877b77005f07dfc ]
We need to call spin_unlock_irqrestore() instead of vanilla spin_unlock() on this error path.
Fixes: 119a8e708d16 ("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> --- drivers/infiniband/sw/rdmavt/ah.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/infiniband/sw/rdmavt/ah.c b/drivers/infiniband/sw/rdmavt/ah.c index 16c446142c2a..b0f09fb45c72 100644 --- a/drivers/infiniband/sw/rdmavt/ah.c +++ b/drivers/infiniband/sw/rdmavt/ah.c @@ -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); } -- 2.14.1
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