Merge tag 'x86-platform-2023-02-20' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull x86 platform update from Ingo Molnar:

 - Simplify add_rtc_cmos()

 - Use strscpy() in the mcelog code

* tag 'x86-platform-2023-02-20' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/mce/dev-mcelog: use strscpy() to instead of strncpy()
  x86/rtc: Simplify PNP ids check

arch/x86/kernel/cpu/mce/dev-mcelog.c

@@ -105,8 +105,7 @@ static ssize_t set_trigger(struct device *s, struct device_attribute *attr,
 {
 	char *p;
 
-	strncpy(mce_helper, buf, sizeof(mce_helper));
-	mce_helper[sizeof(mce_helper)-1] = 0;
+	strscpy(mce_helper, buf, sizeof(mce_helper));
 	p = strchr(mce_helper, '\n');
 
 	if (p)

arch/x86/kernel/rtc.c

@@ -138,17 +138,14 @@ static __init int add_rtc_cmos(void)
 	static const char * const ids[] __initconst =
 	    { "PNP0b00", "PNP0b01", "PNP0b02", };
 	struct pnp_dev *dev;
-	struct pnp_id *id;
 	int i;
 
 	pnp_for_each_dev(dev) {
-		for (id = dev->id; id; id = id->next) {
 		for (i = 0; i < ARRAY_SIZE(ids); i++) {
-				if (compare_pnp_id(id, ids[i]) != 0)
+			if (compare_pnp_id(dev->id, ids[i]) != 0)
 				return 0;
 		}
 	}
-	}
 #endif
 	if (!x86_platform.legacy.rtc)
 		return -ENODEV;