This is a note to let you know that I've just added the patch titled
IB/rdmavt: restore IRQs on error path in rvt_create_ah()
to the 4.9-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git%3Ba=su...
The filename of the patch is: ib-rdmavt-restore-irqs-on-error-path-in-rvt_create_ah.patch and it can be found in the queue-4.9 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree, please let stable@vger.kernel.org know about it.
From foo@baz Thu Mar 22 14:40:23 CET 2018
From: Dan Carpenter dan.carpenter@oracle.com Date: Thu, 27 Apr 2017 12:14:20 +0300 Subject: IB/rdmavt: restore IRQs on error path in rvt_create_ah()
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); }
Patches currently in stable-queue which might be from dan.carpenter@oracle.com are
queue-4.9/netfilter-x_tables-unlock-on-error-in-xt_find_table_lock.patch queue-4.9/asoc-intel-skylake-uninitialized-variable-in-probe_codec.patch queue-4.9/mmc-host-omap_hsmmc-checking-for-null-instead-of-is_err.patch queue-4.9/qed-unlock-on-error-in-qed_vf_pf_acquire.patch queue-4.9/hsi-ssi_protocol-double-free-in-ssip_pn_xmit.patch queue-4.9/cifs-small-underflow-in-cnvrtdosunixtm.patch queue-4.9/ib-rdmavt-restore-irqs-on-error-path-in-rvt_create_ah.patch