linux-kernel - [PATCH] iommu/dmar: Delete an error message for a failed memory allocation in dmar_alloc_pci_notify

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Date:   Sat, 20 Jan 2018 15:00:07 +0100
From:   SF Markus Elfring <elfring@...rs.sourceforge.net>
To:     iommu@...ts.linux-foundation.org,
        Jörg Rödel <joro@...tes.org>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        kernel-janitors@...r.kernel.org
Subject: [PATCH] iommu/dmar: Delete an error message for a failed memory
 allocation in dmar_alloc_pci_notify_info()

From: Markus Elfring <elfring@...rs.sourceforge.net>
Date: Sat, 20 Jan 2018 14:55:21 +0100

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>
---
 drivers/iommu/dmar.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/drivers/iommu/dmar.c b/drivers/iommu/dmar.c
index 9a7ffd13c7f0..da6b121590cc 100644
--- a/drivers/iommu/dmar.c
+++ b/drivers/iommu/dmar.c
@@ -150,8 +150,6 @@ dmar_alloc_pci_notify_info(struct pci_dev *dev, unsigned long event)
 	} else {
 		info = kzalloc(size, GFP_KERNEL);
 		if (!info) {
-			pr_warn("Out of memory when allocating notify_info "
-				"for %s.\n", pci_name(dev));
 			if (dmar_dev_scope_status == 0)
 				dmar_dev_scope_status = -ENOMEM;
 			return NULL;
-- 
2.15.1