[tip:perf/core] kprobes: Remove pointless BUG_ON() from reuse_unused_kprobe()

[tip-bot for Masami Hiramatsu]

Commit-ID:  a6d18e65dff2b73ceeb187c598b48898e36ad7b1
Gitweb:     https://git.kernel.org/tip/a6d18e65dff2b73ceeb187c598b48898e36ad7b1
Author:     Masami Hiramatsu <mhiramat@xxxxxxxxxx>
AuthorDate: Tue, 11 Sep 2018 19:20:11 +0900
Committer:  Ingo Molnar <mingo@xxxxxxxxxx>
CommitDate: Wed, 12 Sep 2018 08:01:16 +0200

kprobes: Remove pointless BUG_ON() from reuse_unused_kprobe()

Since reuse_unused_kprobe() is called when the given kprobe
is unused, checking it inside again with BUG_ON() is
pointless. Remove it.

Signed-off-by: Masami Hiramatsu <mhiramat@xxxxxxxxxx>
Cc: Anil S Keshavamurthy <anil.s.keshavamurthy@xxxxxxxxx>
Cc: David S . Miller <davem@xxxxxxxxxxxxx>
Cc: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Cc: Naveen N . Rao <naveen.n.rao@xxxxxxxxxxxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Link: 153666121154.21306.17540752948574483565.stgit@devbox">http://lkml.kernel.org/r/153666121154.21306.17540752948574483565.stgit@devbox
Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx>
---
 kernel/kprobes.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/kernel/kprobes.c b/kernel/kprobes.c
index 231569e1e2c8..277a6cbe83db 100644
--- a/kernel/kprobes.c
+++ b/kernel/kprobes.c
@@ -704,7 +704,6 @@ static void reuse_unused_kprobe(struct kprobe *ap)
 {
 	struct optimized_kprobe *op;
 
-	BUG_ON(!kprobe_unused(ap));
 	/*
 	 * Unused kprobe MUST be on the way of delayed unoptimizing (means
 	 * there is still a relative jump) and disabled.