4.17-stable review patch. If anyone has any objections, please let me know.
------------------ From: Zhenzhong Duan <[email protected]> [ Upstream commit 0218c766263e70795c5eaa17d75ed54bca350950 ] Free useless ucode_patch entry when it's replaced. [ bp: Drop the memfree_patch() two-liner. ] Signed-off-by: Zhenzhong Duan <[email protected]> Signed-off-by: Borislav Petkov <[email protected]> Signed-off-by: Thomas Gleixner <[email protected]> Cc: Srinivas REDDY Eeda <[email protected]> Link: http://lkml.kernel.org/r/888102f0-fd22-459d-b090-a1bd8a00cb2b@default Signed-off-by: Sasha Levin <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]> --- arch/x86/kernel/cpu/microcode/intel.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) --- 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 *d 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); + } } }
