[PATCH] kprobe: missing cast

From: Stephen Hemminger
Date: Mon Jan 14 2008 - 22:22:25 EST


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

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

CC arch/x86/kernel/kprobes_32.o
arch/x86/kernel/kprobes_32.c: In function âlongjmp_break_handlerâ:
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);
--
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