From: Borislav Petkov <b...@suse.de>

... to has_newer_microcode() as it does exactly that: checks whether
binary data @mc has newer microcode patch than the applied one. Move @mc
to be the first function arg too.

Signed-off-by: Borislav Petkov <b...@suse.de>
---
 arch/x86/include/asm/microcode_intel.h      | 2 +-
 arch/x86/kernel/cpu/microcode/intel.c       | 4 ++--
 arch/x86/kernel/cpu/microcode/intel_early.c | 8 ++++----
 arch/x86/kernel/cpu/microcode/intel_lib.c   | 4 ++--
 4 files changed, 9 insertions(+), 9 deletions(-)

diff --git a/arch/x86/include/asm/microcode_intel.h 
b/arch/x86/include/asm/microcode_intel.h
index 3564299863f0..8e87e6fe98b5 100644
--- a/arch/x86/include/asm/microcode_intel.h
+++ b/arch/x86/include/asm/microcode_intel.h
@@ -56,7 +56,7 @@ struct extended_sigtable {
 
 #define exttable_size(et) ((et)->count * EXT_SIGNATURE_SIZE + EXT_HEADER_SIZE)
 
-extern int get_matching_microcode(unsigned int csig, int cpf, int rev, void 
*mc);
+extern int has_newer_microcode(void *mc, unsigned int csig, int cpf, int rev);
 extern int microcode_sanity_check(void *mc, int print_err);
 extern int get_matching_sig(unsigned int csig, int cpf, void *mc);
 
diff --git a/arch/x86/kernel/cpu/microcode/intel.c 
b/arch/x86/kernel/cpu/microcode/intel.c
index e20d4e58cd89..969dc17eb1b4 100644
--- a/arch/x86/kernel/cpu/microcode/intel.c
+++ b/arch/x86/kernel/cpu/microcode/intel.c
@@ -63,7 +63,7 @@ static int get_matching_mc(struct microcode_intel *mc_intel, 
int cpu)
        cpf = cpu_sig.pf;
        crev = cpu_sig.rev;
 
-       return get_matching_microcode(csig, cpf, crev, mc_intel);
+       return has_newer_microcode(mc_intel, csig, cpf, crev);
 }
 
 static int apply_microcode_intel(int cpu)
@@ -165,7 +165,7 @@ static enum ucode_state generic_load_microcode(int cpu, 
void *data, size_t size,
 
                csig = uci->cpu_sig.sig;
                cpf = uci->cpu_sig.pf;
-               if (get_matching_microcode(csig, cpf, new_rev, mc)) {
+               if (has_newer_microcode(mc, csig, cpf, new_rev)) {
                        vfree(new_mc);
                        new_rev = mc_header.rev;
                        new_mc  = mc;
diff --git a/arch/x86/kernel/cpu/microcode/intel_early.c 
b/arch/x86/kernel/cpu/microcode/intel_early.c
index ccd474a7a59e..5f828268357d 100644
--- a/arch/x86/kernel/cpu/microcode/intel_early.c
+++ b/arch/x86/kernel/cpu/microcode/intel_early.c
@@ -59,10 +59,10 @@ load_microcode_early(struct microcode_intel **saved,
                ucode_ptr = saved[i];
                mc_hdr    = (struct microcode_header_intel *)ucode_ptr;
 
-               ret = get_matching_microcode(uci->cpu_sig.sig,
-                                            uci->cpu_sig.pf,
-                                            new_rev,
-                                            ucode_ptr);
+               ret = has_newer_microcode(ucode_ptr,
+                                         uci->cpu_sig.sig,
+                                         uci->cpu_sig.pf,
+                                         new_rev);
                if (!ret)
                        continue;
 
diff --git a/arch/x86/kernel/cpu/microcode/intel_lib.c 
b/arch/x86/kernel/cpu/microcode/intel_lib.c
index 7de293726923..425f8e29b795 100644
--- a/arch/x86/kernel/cpu/microcode/intel_lib.c
+++ b/arch/x86/kernel/cpu/microcode/intel_lib.c
@@ -154,7 +154,7 @@ int get_matching_sig(unsigned int csig, int cpf, void *mc)
 /*
  * Returns 1 if update has been found, 0 otherwise.
  */
-int get_matching_microcode(unsigned int csig, int cpf, int new_rev, void *mc)
+int has_newer_microcode(void *mc, unsigned int csig, int cpf, int new_rev)
 {
        struct microcode_header_intel *mc_hdr = mc;
 
@@ -163,4 +163,4 @@ int get_matching_microcode(unsigned int csig, int cpf, int 
new_rev, void *mc)
 
        return get_matching_sig(csig, cpf, mc);
 }
-EXPORT_SYMBOL_GPL(get_matching_microcode);
+EXPORT_SYMBOL_GPL(has_newer_microcode);
-- 
2.3.5

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