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kprobe/ftrace: fix build error due to bad function definition

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Commit 1a7d0890dd ("kprobe/ftrace: bail out if ftrace was killed")
introduced a bad K&R function definition, which we haven't accepted in a
long long time.

Gcc seems to let it slide, but clang notices with the appropriate error:

  kernel/kprobes.c:1140:24: error: a function declaration without a prototype is deprecated in all >
   1140 | void kprobe_ftrace_kill()
        |                        ^
        |                         void

but this commit was apparently never in linux-next before it was sent
upstream, so it didn't get the appropriate build test coverage.

Fixes: 1a7d0890dd kprobe/ftrace: bail out if ftrace was killed
Cc: Stephen Brennan <stephen.s.brennan@oracle.com>
Cc: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Cc: Guo Ren <guoren@kernel.org>
Cc: Steven Rostedt (Google) <rostedt@goodmis.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Linus Torvalds 2024-05-17 19:17:55 -07:00
parent f08a1e912d
commit 4b377b4868
1 changed files with 1 additions and 1 deletions
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2
kernel/kprobes.c
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@ -1137,7 +1137,7 @@ static int disarm_kprobe_ftrace(struct kprobe *p)
ipmodify ? &kprobe_ipmodify_enabled : &kprobe_ftrace_enabled);
}
void kprobe_ftrace_kill()
void kprobe_ftrace_kill(void)
{
kprobe_ftrace_disabled = true;
}