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kprobes: Remove unneeded warnings from __arm_kprobe_ftrace() 

Remove unneeded warnings for handled errors from __arm_kprobe_ftrace()
because all caller handled the error correctly.

Link: https://lore.kernel.org/all/177261531182.1312989.8737778408503961141.stgit@mhiramat.tok.corp.google.com/

Reported-by: Zw Tang <shicenci@gmail.com>
Closes: https://lore.kernel.org/all/CAPHJ_V+J6YDb_wX2nhXU6kh466Dt_nyDSas-1i_Y8s7tqY-Mzw@mail.gmail.com/
Fixes: 9c89bb8e32 ("kprobes: treewide: Cleanup the error messages for kprobes")
Cc: stable@vger.kernel.org
Signed-off-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
This commit is contained in:
Masami Hiramatsu (Google) 2026-03-13 23:04:11 +09:00
parent e113f0b46d
commit 5ef268cb7a
1 changed files with 2 additions and 2 deletions
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4
kernel/kprobes.c
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@ -1144,12 +1144,12 @@ static int __arm_kprobe_ftrace(struct kprobe *p, struct ftrace_ops *ops,
lockdep_assert_held(&kprobe_mutex); lockdep_assert_held(&kprobe_mutex);
ret = ftrace_set_filter_ip(ops, (unsigned long)p->addr, 0, 0); ret = ftrace_set_filter_ip(ops, (unsigned long)p->addr, 0, 0);
if (WARN_ONCE(ret < 0, "Failed to arm kprobe-ftrace at %pS (error %d)\n", p->addr, ret)) if (ret < 0)
return ret; return ret;
if (*cnt == 0) { if (*cnt == 0) {
ret = register_ftrace_function(ops); ret = register_ftrace_function(ops);
if (WARN(ret < 0, "Failed to register kprobe-ftrace (error %d)\n", ret)) { if (ret < 0) {
/* /*
* At this point, sinec ops is not registered, we should be sefe from * At this point, sinec ops is not registered, we should be sefe from
* registering empty filter. * registering empty filter.