x86: replace hardcoded number

Replace "4" in time_32.c code by sizeof(long).
This way, it can work on x86_64 too.

Signed-off-by: Glauber Costa <gcosta@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

diff --git a/arch/x86/kernel/time_32.c b/arch/x86/kernel/time_32.c
index ca0a4aab12ce7ce60163d143df02d9e459b25fda..7215bc6adfcc5f4663c6f4ebbeb8d333299b948a 100644 (file)
--- a/arch/x86/kernel/time_32.c
+++ b/arch/x86/kernel/time_32.c
@@ -49,7 +49,7 @@ unsigned long profile_pc(struct pt_regs *regs)
 #ifdef CONFIG_SMP
        if (!user_mode_vm(regs) && in_lock_functions(pc)) {
 #ifdef CONFIG_FRAME_POINTER
-               return *(unsigned long *)(regs->bp + 4);
+               return *(unsigned long *)(regs->bp + sizeof(long));
 #else
                unsigned long *sp = (unsigned long *)&regs->sp;