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

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [day] [month] [year] [list]

Message-ID: <bc2cf250-0c52-57df-e7e1-fd20a8c23731@users.sourceforge.net>
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