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Subject[tip:x86/microcode] x86, microcode: Simplify vfree() use
Commit-ID:  aeef50bc0483fa70ce0bddb686ec84a274b7f3d4
Gitweb: http://git.kernel.org/tip/aeef50bc0483fa70ce0bddb686ec84a274b7f3d4
Author: Figo.zhang <figo1802@gmail.com>
AuthorDate: Sun, 7 Jun 2009 22:30:36 +0800
Committer: Ingo Molnar <mingo@elte.hu>
CommitDate: Sun, 7 Jun 2009 16:35:11 +0200

x86, microcode: Simplify vfree() use

vfree() does its own 'NULL' check, so no need for check before
calling it.

In v2, remove the stray newline.

[ Impact: cleanup ]

Signed-off-by: Figo.zhang <figo1802@gmail.com>
Cc: Dmitry Adamushko <dmitry.adamushko@gmail.com>
LKML-Reference: <1244385036.3402.11.camel@myhost>
Signed-off-by: Ingo Molnar <mingo@elte.hu>


---
arch/x86/kernel/microcode_amd.c | 12 ++++--------
1 files changed, 4 insertions(+), 8 deletions(-)
diff --git a/arch/x86/kernel/microcode_amd.c b/arch/x86/kernel/microcode_amd.c
index c8be20f..366baa1 100644
--- a/arch/x86/kernel/microcode_amd.c
+++ b/arch/x86/kernel/microcode_amd.c
@@ -241,10 +241,8 @@ static int install_equiv_cpu_table(const u8 *buf)

static void free_equiv_cpu_table(void)
{
- if (equiv_cpu_table) {
- vfree(equiv_cpu_table);
- equiv_cpu_table = NULL;
- }
+ vfree(equiv_cpu_table);
+ equiv_cpu_table = NULL;
}

static enum ucode_state
@@ -279,8 +277,7 @@ generic_load_microcode(int cpu, const u8 *data, size_t size)

mc_header = (struct microcode_header_amd *)mc;
if (get_matching_microcode(cpu, mc, new_rev)) {
- if (new_mc)
- vfree(new_mc);
+ vfree(new_mc);
new_rev = mc_header->patch_id;
new_mc = mc;
} else
@@ -292,8 +289,7 @@ generic_load_microcode(int cpu, const u8 *data, size_t size)

if (new_mc) {
if (!leftover) {
- if (uci->mc)
- vfree(uci->mc);
+ vfree(uci->mc);
uci->mc = new_mc;
pr_debug("microcode: CPU%d found a matching microcode "
"update with version 0x%x (current=0x%x)\n",

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