IB/hfi1: Return an error on memory allocation failure

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

Cc: stable@vger.kernel.org
Reviewed-by: NMike Marciniszyn <mike.marciniszyn@intel.com>
Signed-off-by: NMichael J. Ruhl <michael.j.ruhl@intel.com>
Signed-off-by: NDennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: NDoug Ledford <dledford@redhat.com>

drivers/infiniband/hw/hfi1/init.c

@@ -1778,6 +1778,7 @@ int hfi1_setup_eagerbufs(struct hfi1_ctxtdata *rcd)
 			    !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;
 			}