linux-kernel - [PATCH 1/3] powernv/pci: Delete an error message for a failed memory allocation in pnv_ioda_pick_m64

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Date:   Tue, 17 Oct 2017 17:37:41 +0200
From:   SF Markus Elfring <elfring@...rs.sourceforge.net>
To:     linuxppc-dev@...ts.ozlabs.org,
        Alexey Kardashevskiy <aik@...abs.ru>,
        Alistair Popple <alistair@...ple.id.au>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        David Gibson <david@...son.dropbear.id.au>,
        Gavin Shan <gwshan@...ux.vnet.ibm.com>,
        Michael Ellerman <mpe@...erman.id.au>,
        Paul Mackerras <paulus@...ba.org>,
        Rob Herring <robh@...nel.org>,
        Russell Currey <ruscur@...sell.cc>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        kernel-janitors@...r.kernel.org
Subject: [PATCH 1/3] powernv/pci: Delete an error message for a failed memory
 allocation in pnv_ioda_pick_m64_pe()

From: Markus Elfring <elfring@...rs.sourceforge.net>
Date: Tue, 17 Oct 2017 16:52:43 +0200

Omit an extra message for a memory allocation failure in this function.

This issue was detected by using the Coccinelle software.

Signed-off-by: Markus Elfring <elfring@...rs.sourceforge.net>
---
 arch/powerpc/platforms/powernv/pci-ioda.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/arch/powerpc/platforms/powernv/pci-ioda.c b/arch/powerpc/platforms/powernv/pci-ioda.c
index fb5cd7511189..17c0330bb059 100644
--- a/arch/powerpc/platforms/powernv/pci-ioda.c
+++ b/arch/powerpc/platforms/powernv/pci-ioda.c
@@ -358,11 +358,8 @@ static struct pnv_ioda_pe *pnv_ioda_pick_m64_pe(struct pci_bus *bus, bool all)
 	/* Allocate bitmap */
 	size = _ALIGN_UP(phb->ioda.total_pe_num / 8, sizeof(unsigned long));
 	pe_alloc = kzalloc(size, GFP_KERNEL);
-	if (!pe_alloc) {
-		pr_warn("%s: Out of memory !\n",
-			__func__);
+	if (!pe_alloc)
 		return NULL;
-	}
 
 	/* Figure out reserved PE numbers by the PE */
 	pnv_ioda_reserve_m64_pe(bus, pe_alloc, all);
-- 
2.14.2