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Date: Wed, 8 Nov 2017 03:18:01 +0800
From: kbuild test robot <fengguang.wu@intel.com>
To: Tom Lendacky <thomas.lendacky@amd.com>
Cc: kbuild-all@01.org, linux-kernel@vger.kernel.org, tipbuild@zytor.com,
        Thomas Gleixner <tglx@linutronix.de>,
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        x86@kernel.org, Michael Ellerman <mpe@ellerman.id.au>,
        Juergen Gross <jgross@suse.com>
Subject: [PATCH] resource: fix resource_size.cocci warnings
Message-ID: <20171107191801.GA91887@lkp-snb01>
References: <201711080355.uRfu6tkq%fengguang.wu@intel.com>
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arch/x86/kernel/crash.c:627:34-37: ERROR: Missing resource_size with res
arch/x86/kernel/crash.c:528:16-19: ERROR: Missing resource_size with res


 Use resource_size function on resource object
 instead of explicit computation.

Generated by: scripts/coccinelle/api/resource_size.cocci

Fixes: 1d2e733b13b4 ("resource: Provide resource struct in resource walk callback")
CC: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: Fengguang Wu <fengguang.wu@intel.com>
---

 crash.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

--- a/arch/x86/kernel/crash.c
+++ b/arch/x86/kernel/crash.c
@@ -525,7 +525,7 @@ static int memmap_entry_callback(struct
 	struct e820_entry ei;
 
 	ei.addr = res->start;
-	ei.size = res->end - res->start + 1;
+	ei.size = resource_size(res);
 	ei.type = cmd->type;
 	add_e820_entry(params, &ei);
 
@@ -624,7 +624,7 @@ static int determine_backup_region(struc
 	struct kimage *image = arg;
 
 	image->arch.backup_src_start = res->start;
-	image->arch.backup_src_sz = res->end - res->start + 1;
+	image->arch.backup_src_sz = resource_size(res);
 
 	/* Expecting only one range for backup region */
 	return 1;