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From: Guillaume Chazarain <guichaz@yahoo.fr>
To: "Pallipadi, Venkatesh" <venkatesh.pallipadi@intel.com>
Cc: cpufreq@lists.linux.org.uk, davej@redhat.com
Subject: [PATCH] Uninitialized use of cmd.val in arch/i386/kernel/cpu/cpufreq/acpi-cpufreq.c:acpi_cpufreq_target()
Date: Tue, 02 Jan 2007 19:58:13 +0100	[thread overview]
Message-ID: <459AAB45.2000909@yahoo.fr> (raw)
In-Reply-To: <EB12A50964762B4D8111D55B764A8454010D1506@scsmsx413.amr.corp.intel.com>

[-- Attachment #1: Type: text/plain, Size: 52 bytes --]

Fix for uninitialized use.

Thanks.

-- 
Guillaume


[-- Attachment #2: acpi-cpufreq-uninitialized-cmd_val.diff --]
[-- Type: text/x-patch, Size: 678 bytes --]

cmd.val was used uninitialized on the line below.

Signed-off-by: Guillaume Chazarain <guichaz@yahoo.fr>
Acked-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
---

diff -r 90710ed1291f arch/i386/kernel/cpu/cpufreq/acpi-cpufreq.c
--- a/arch/i386/kernel/cpu/cpufreq/acpi-cpufreq.c	Mon Jan 01 01:00:04 2007 +0000
+++ b/arch/i386/kernel/cpu/cpufreq/acpi-cpufreq.c	Tue Jan 02 16:27:47 2007 +0100
@@ -420,6 +420,7 @@ static int acpi_cpufreq_target(struct cp
 		msr =
 		    (u32) perf->states[next_perf_state].
 		    control & INTEL_MSR_RANGE;
+		cmd.val = get_cur_val(online_policy_cpus);
 		cmd.val = (cmd.val & ~INTEL_MSR_RANGE) | msr;
 		break;
 	case SYSTEM_IO_CAPABLE:

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      reply	other threads:[~2007-01-02 18:58 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-01-02 15:49 Uninitialized use of cmd.val in arch/i386/kernel/cpu/cpufreq/acpi-cpufreq.c:423 Guillaume Chazarain
2007-01-02 17:57 ` Uninitialized use of cmd.val inarch/i386/kernel/cpu/cpufreq/acpi-cpufreq.c:423 Pallipadi, Venkatesh
2007-01-02 18:58   ` Guillaume Chazarain [this message]

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