linux-kernel - [tip:x86/cache] x86/resctrl: Fix the uninitialized variable warning

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Date:   Tue, 18 Dec 2018 03:51:54 -0800
From:   tip-bot for MogerBabu <tipbot@...or.com>
To:     linux-tip-commits@...r.kernel.org
Cc:     Babu.Moger@....com, reinette.chatre@...el.com, mingo@...nel.org,
        babu.moger@....com, dan.carpenter@...cle.com, tglx@...utronix.de,
        hpa@...or.com, fenghua.yu@...el.com, linux-kernel@...r.kernel.org,
        bp@...en8.de
Subject: [tip:x86/cache] x86/resctrl: Fix the uninitialized variable warning

Commit-ID:  0858ea05ee8b424e7776237b06bdfc7d6de0e014
Gitweb:     https://git.kernel.org/tip/0858ea05ee8b424e7776237b06bdfc7d6de0e014
Author:     MogerBabu <Babu.Moger@....com>
AuthorDate: Wed, 28 Nov 2018 20:15:02 +0000
Committer:  Thomas Gleixner <tglx@...utronix.de>
CommitDate: Tue, 18 Dec 2018 12:47:07 +0100

x86/resctrl: Fix the uninitialized variable warning

Fix the compiler warning caused by a recent change.

Fixes: a36c5ff560fb ("x86/resctrl: Bring cbm_validate() into the resource structure")
Reported-by: Dan Carpenter <dan.carpenter@...cle.com>
Signed-off-by: Babu Moger <babu.moger@....com>
Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
Cc: "bp@...en8.de" <bp@...en8.de>
Cc: "hpa@...or.com" <hpa@...or.com>
Cc: "fenghua.yu@...el.com" <fenghua.yu@...el.com>
Cc: "reinette.chatre@...el.com" <reinette.chatre@...el.com>
Link: https://lkml.kernel.org/r/20181128201450.31820-1-babu.moger@amd.com


---
 arch/x86/kernel/cpu/resctrl/ctrlmondata.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/kernel/cpu/resctrl/ctrlmondata.c b/arch/x86/kernel/cpu/resctrl/ctrlmondata.c
index 3b943ace786c..4b47ae76cccb 100644
--- a/arch/x86/kernel/cpu/resctrl/ctrlmondata.c
+++ b/arch/x86/kernel/cpu/resctrl/ctrlmondata.c
@@ -202,7 +202,7 @@ int parse_cbm(struct rdt_parse_data *data, struct rdt_resource *r,
 	      struct rdt_domain *d)
 {
 	struct rdtgroup *rdtgrp = data->rdtgrp;
-	u32 cbm_val;
+	u32 cbm_val = 0;
 
 	if (d->have_new_ctrl) {
 		rdt_last_cmd_printf("Duplicate domain %d\n", d->id);