linux-kernel - [patch] cpu: remove some dead code in store_cache

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Message-ID: <20120419070053.GB16645@elgon.mountain>
Date:	Thu, 19 Apr 2012 10:00:53 +0300
From:	Dan Carpenter <dan.carpenter@...cle.com>
To:	Thomas Gleixner <tglx@...utronix.de>
Cc:	Ingo Molnar <mingo@...hat.com>, "H. Peter Anvin" <hpa@...or.com>,
	x86@...nel.org, Frank Arnold <frank.arnold@....com>,
	Borislav Petkov <borislav.petkov@....com>,
	linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org
Subject: [patch] cpu: remove some dead code in store_cache_disable()

amd_set_l3_disable_slot() never returns -EEXIST, it only returns -EINVAL
or zero.

Signed-off-by: Dan Carpenter <dan.carpenter@...cle.com>

diff --git a/arch/x86/kernel/cpu/intel_cacheinfo.c b/arch/x86/kernel/cpu/intel_cacheinfo.c
index 73d08ed..7b4e294 100644
--- a/arch/x86/kernel/cpu/intel_cacheinfo.c
+++ b/arch/x86/kernel/cpu/intel_cacheinfo.c
@@ -466,12 +466,9 @@ static ssize_t store_cache_disable(struct _cpuid4_info *this_leaf,
 		return -EINVAL;
 
 	err = amd_set_l3_disable_slot(this_leaf->base.nb, cpu, slot, val);
-	if (err) {
-		if (err == -EEXIST)
-			printk(KERN_WARNING "L3 disable slot %d in use!\n",
-					    slot);
+	if (err)
 		return err;
-	}
+
 	return count;
 }
 
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