[PATCH] get rid of redundant NULL checks before kfree() in arch/i386/

Signed-off-by: Jesper Juhl <juhl-lkml@dif.dk>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

3 files changed, 4 insertions, 9 deletions

diff --git a/arch/i386/kernel/cpu/cpufreq/powernow-k7.c b/arch/i386/kernel/cpu/cpufreq/powernow-k7.c
index 5c53006..73a5dc5 100644
--- a/arch/i386/kernel/cpu/cpufreq/powernow-k7.c
+++ b/arch/i386/kernel/cpu/cpufreq/powernow-k7.c
@@ -648,9 +648,7 @@ static int powernow_cpu_exit (struct cpufreq_policy *policy) {
 	}
 #endif
 
-	if (powernow_table)
-		kfree(powernow_table);
-
+	kfree(powernow_table);
 	return 0;
 }
 
diff --git a/arch/i386/kernel/cpu/mtrr/generic.c b/arch/i386/kernel/cpu/mtrr/generic.c
index f468a97..64d91f7 100644
--- a/arch/i386/kernel/cpu/mtrr/generic.c
+++ b/arch/i386/kernel/cpu/mtrr/generic.c
@@ -70,8 +70,7 @@ void __init get_mtrr_state(void)
 /*  Free resources associated with a struct mtrr_state  */
 void __init finalize_mtrr_state(void)
 {
-	if (mtrr_state.var_ranges)
-		kfree(mtrr_state.var_ranges);
+	kfree(mtrr_state.var_ranges);
 	mtrr_state.var_ranges = NULL;
 }
 
diff --git a/arch/i386/kernel/io_apic.c b/arch/i386/kernel/io_apic.c
index fc81c8c..060c4ca 100644
--- a/arch/i386/kernel/io_apic.c
+++ b/arch/i386/kernel/io_apic.c
@@ -632,10 +632,8 @@ static int __init balanced_irq_init(void)
 		printk(KERN_ERR "balanced_irq_init: failed to spawn balanced_irq");
 failed:
 	for (i = 0; i < NR_CPUS; i++) {
-		if(irq_cpu_data[i].irq_delta)
-			kfree(irq_cpu_data[i].irq_delta);
-		if(irq_cpu_data[i].last_irq)
-			kfree(irq_cpu_data[i].last_irq);
+		kfree(irq_cpu_data[i].irq_delta);
+		kfree(irq_cpu_data[i].last_irq);
 	}
 	return 0;
 }