[PATCH] kprobe: missing cast

[Stephen Hemminger <stephen.hemminger@vyatta.com>]

Fix warning from missing cast, maybe a result of the x86 merge?

Signed-off-by: Stephen Hemminger <stephen.hemminger@vyatta.com>

  CC      arch/x86/kernel/kprobes_32.o
arch/x86/kernel/kprobes_32.c: In function ‘longjmp_break_handler’:
arch/x86/kernel/kprobes_32.c:729: warning: comparison of distinct pointer types lacks a cast

--- a/arch/x86/kernel/kprobes_32.c	2008-01-14 19:18:01.000000000 -0800
+++ b/arch/x86/kernel/kprobes_32.c	2008-01-14 19:18:08.000000000 -0800
@@ -726,7 +726,7 @@ int __kprobes longjmp_break_handler(stru
 	struct jprobe *jp = container_of(p, struct jprobe, kp);
 
 	if ((addr > (u8 *) jprobe_return) && (addr < (u8 *) jprobe_return_end)) {
-		if (&regs->esp != kcb->jprobe_saved_esp) {
+		if ((unsigned long *) &regs->esp != kcb->jprobe_saved_esp) {
 			struct pt_regs *saved_regs = &kcb->jprobe_saved_regs;
 			printk("current esp %p does not match saved esp %p\n",
 			       &regs->esp, kcb->jprobe_saved_esp);