x86/microcode/AMD: Clean up find_equiv_id()

No need to have it marked "inline" - let gcc decide. Also, shorten the
argument name and simplify while-test.

While at it, make it into a proper for-loop and simplify it even more,
as tglx suggests.

No functionality change.

Signed-off-by: Borislav Petkov <bp@suse.de>
Link: http://lkml.kernel.org/r/20170120202955.4091-5-bp@alien8.de
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

diff --git a/arch/x86/kernel/cpu/microcode/amd.c b/arch/x86/kernel/cpu/microcode/amd.c
index 6a31e2691f3aa0ac68620459c371ca42912c4475..5c1509a3804884f300df4db8b139d9d5cc62ac90 100644 (file)
--- a/arch/x86/kernel/cpu/microcode/amd.c
+++ b/arch/x86/kernel/cpu/microcode/amd.c
@@ -97,20 +97,13 @@ static size_t compute_container_size(u8 *data, u32 total_size)
        return size;
 }
 
-static inline u16 find_equiv_id(struct equiv_cpu_entry *equiv_cpu_table,
-                               unsigned int sig)
+static u16 find_equiv_id(struct equiv_cpu_entry *equiv_table, u32 sig)
 {
-       int i = 0;
-
-       if (!equiv_cpu_table)
-               return 0;
-
-       while (equiv_cpu_table[i].installed_cpu != 0) {
-               if (sig == equiv_cpu_table[i].installed_cpu)
-                       return equiv_cpu_table[i].equiv_cpu;
-
-               i++;
+       for (; equiv_table && equiv_table->installed_cpu; equiv_table++) {
+               if (sig == equiv_table->installed_cpu)
+                       return equiv_table->equiv_cpu;
        }
+
        return 0;
 }