x86, mpparse: Remove unnecessary variable

'ret' isn't used by check_slot(), gets initialized but has no real use,
so remove it.

Signed-off-by: Rakib Mullick <rakib.mullick@gmail.com>
LKML-Reference: <AANLkTikh3y+is3xixKBdyHhr_cHxzPFJF729Fcvt8+Ns@mail.gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/arch/x86/kernel/mpparse.c b/arch/x86/kernel/mpparse.c
index 6f789a8..ef32d4c 100644
--- a/arch/x86/kernel/mpparse.c
+++ b/arch/x86/kernel/mpparse.c
@@ -722,14 +722,12 @@
 static int
 check_slot(unsigned long mpc_new_phys, unsigned long mpc_new_length, int count)
 {
-	int ret = 0;
-
 	if (!mpc_new_phys || count <= mpc_new_length) {
 		WARN(1, "update_mptable: No spare slots (length: %x)\n", count);
 		return -1;
 	}
 
-	return ret;
+	return 0;
 }
 
 static int  __init replace_intsrc_all(struct mpc_table *mpc,