linux-kernel - [PATCH 4.11 075/197] IB/hfi1: Return an error on memory allocation failure

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Message-Id: <20170523200827.544169662@linuxfoundation.org>
Date:   Tue, 23 May 2017 22:07:16 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org,
        Mike Marciniszyn <mike.marciniszyn@...el.com>,
        "Michael J. Ruhl" <michael.j.ruhl@...el.com>,
        Dennis Dalessandro <dennis.dalessandro@...el.com>,
        Doug Ledford <dledford@...hat.com>
Subject: [PATCH 4.11 075/197] IB/hfi1: Return an error on memory allocation failure

4.11-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Michael J. Ruhl <michael.j.ruhl@...el.com>

commit 94679061dcdddbafcf24e3bfb526e54dedcc2f2f upstream.

If the eager buffer allocation fails, it is necessary to return
an error code.

Reviewed-by: Mike Marciniszyn <mike.marciniszyn@...el.com>
Signed-off-by: Michael J. Ruhl <michael.j.ruhl@...el.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@...el.com>
Signed-off-by: Doug Ledford <dledford@...hat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/infiniband/hw/hfi1/init.c |    1 +
 1 file changed, 1 insertion(+)

--- a/drivers/infiniband/hw/hfi1/init.c
+++ b/drivers/infiniband/hw/hfi1/init.c
@@ -1758,6 +1758,7 @@ int hfi1_setup_eagerbufs(struct hfi1_ctx
 			    !HFI1_CAP_KGET_MASK(rcd->flags, MULTI_PKT_EGR)) {
 				dd_dev_err(dd, "ctxt%u: Failed to allocate eager buffers\n",
 					   rcd->ctxt);
+				ret = -ENOMEM;
 				goto bail_rcvegrbuf_phys;
 			}