linux-kernel - [PATCH 2/3] arm/xen: Delete an error message for a failed memory allocation in __set_phys_to_machine

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Date:   Sun, 4 Jun 2017 23:06:29 +0200
From:   SF Markus Elfring <elfring@...rs.sourceforge.net>
To:     linux-arm-kernel@...ts.infradead.org,
        xen-devel@...ts.xenproject.org,
        Russell King <linux@...linux.org.uk>,
        Stefano Stabellini <sstabellini@...nel.org>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        kernel-janitors@...r.kernel.org
Subject: [PATCH 2/3] arm/xen: Delete an error message for a failed memory
 allocation in __set_phys_to_machine_multi()

From: Markus Elfring <elfring@...rs.sourceforge.net>
Date: Sun, 4 Jun 2017 21:12:36 +0200

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

This issue was detected by using the Coccinelle software.

Link: http://events.linuxfoundation.org/sites/events/files/slides/LCJ16-Refactor_Strings-WSang_0.pdf
Signed-off-by: Markus Elfring <elfring@...rs.sourceforge.net>
---
 arch/arm/xen/p2m.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/arch/arm/xen/p2m.c b/arch/arm/xen/p2m.c
index 11e78432b663..f5f74ac637b9 100644
--- a/arch/arm/xen/p2m.c
+++ b/arch/arm/xen/p2m.c
@@ -148,7 +148,6 @@ bool __set_phys_to_machine_multi(unsigned long pfn,
-	if (!p2m_entry) {
-		pr_warn("cannot allocate xen_p2m_entry\n");
+	if (!p2m_entry)
 		return false;
-	}
+
 	p2m_entry->pfn = pfn;
 	p2m_entry->nr_pages = nr_pages;
 	p2m_entry->mfn = mfn;
-- 
2.13.0