4.9-stable review patch. If anyone has any objections, please let me know.
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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 Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/infiniband/sw/rdmavt/ah.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
--- 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
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); }