From: Zhenzhong Duan <zhenzhong.d...@oracle.com>

Free useless ucode_patch entry when it's replaced.

Signed-off-by: Zhenzhong Duan <zhenzhong.d...@oracle.com>
Cc: Srinivas REDDY Eeda <srinivas.e...@oracle.com>
Cc: x86-ml <x...@kernel.org>
Link: http://lkml.kernel.org/r/888102f0-fd22-459d-b090-a1bd8a00cb2b@default
[ Drop the memfree_patch() two-liner. ]
Signed-off-by: Borislav Petkov <b...@suse.de>
---
 arch/x86/kernel/cpu/microcode/intel.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/arch/x86/kernel/cpu/microcode/intel.c 
b/arch/x86/kernel/cpu/microcode/intel.c
index 1c2cfa0644aa..97ccf4c3b45b 100644
--- a/arch/x86/kernel/cpu/microcode/intel.c
+++ b/arch/x86/kernel/cpu/microcode/intel.c
@@ -190,8 +190,11 @@ static void save_microcode_patch(void *data, unsigned int 
size)
                        p = memdup_patch(data, size);
                        if (!p)
                                pr_err("Error allocating buffer %p\n", data);
-                       else
+                       else {
                                list_replace(&iter->plist, &p->plist);
+                               kfree(iter->data);
+                               kfree(iter);
+                       }
                }
        }
 
-- 
2.17.0.582.gccdcbd54c

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