Re: [PATCH v2] samples/kprobes: Fix typo in handler_post()

From: Tiezhu Yang
Date: Fri May 14 2021 - 21:30:05 EST


On 05/14/2021 11:26 PM, Joe Perches wrote:
On Fri, 2021-05-14 at 16:10 +0800, Tiezhu Yang wrote:
It should use post_handler instead of pre_handler in handler_post().

Fixes: e16c5dd5157e ("samples/kprobes: Add s390 case in kprobe example module")
Signed-off-by: Tiezhu Yang <yangtiezhu@xxxxxxxxxxx>
---

v2: rebase on the latest mainline kernel

samples/kprobes/kprobe_example.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/samples/kprobes/kprobe_example.c b/samples/kprobes/kprobe_example.c
index c495664..602db3f 100644
--- a/samples/kprobes/kprobe_example.c
+++ b/samples/kprobes/kprobe_example.c
@@ -89,7 +89,7 @@ static void __kprobes handler_post(struct kprobe *p, struct pt_regs *regs,
p->symbol_name, p->addr, regs->status);
#endif
#ifdef CONFIG_S390
- pr_info("<%s> pre_handler: p->addr, 0x%p, flags = 0x%lx\n",
+ pr_info("<%s> post_handler: p->addr, 0x%p, flags = 0x%lx\n",
p->symbol_name, p->addr, regs->flags);
#endif
}
Perhaps better would be to use pr_fmt and remove all the
embedded pre/post strings.

This would change the style of the output through.

Also fix a defective format in handler_fault ending with
an 'n' that should be '\n'

Thank you, it looks better, let me send v3 as you suggested.

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