From: Namhyung Kim <namhyung@gmail.com>
Date: Wed, 15 Sep 2010 01:04:26 +0000 (+0900)
Subject: kprobes: Remove redundant address check
X-Git-Tag: v2.6.37-rc1~214^2~48
X-Git-Url: https://bbs.cooldavid.org/git/?p=net-next-2.6.git;a=commitdiff_plain;h=edbaadbe42b0b790618ec49d29626223529d8195

kprobes: Remove redundant address check

Remove call to kernel_text_address() in register_jprobes()
because it is called right after in register_kprobe().

Signed-off-by: Namhyung Kim <namhyung@gmail.com>
Acked-by: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
LKML-Reference: <1284512670-2369-2-git-send-email-namhyung@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---

diff --git a/kernel/kprobes.c b/kernel/kprobes.c
index 282035f3ae9..8f967016cef 100644
--- a/kernel/kprobes.c
+++ b/kernel/kprobes.c
@@ -1343,14 +1343,11 @@ int __kprobes register_jprobes(struct jprobe **jps, int num)
 		jp = jps[i];
 		addr = arch_deref_entry_point(jp->entry);
 
-		if (!kernel_text_address(addr))
-			ret = -EINVAL;
-		else {
-			/* Todo: Verify probepoint is a function entry point */
-			jp->kp.pre_handler = setjmp_pre_handler;
-			jp->kp.break_handler = longjmp_break_handler;
-			ret = register_kprobe(&jp->kp);
-		}
+		/* Todo: Verify probepoint is a function entry point */
+		jp->kp.pre_handler = setjmp_pre_handler;
+		jp->kp.break_handler = longjmp_break_handler;
+		ret = register_kprobe(&jp->kp);
+
 		if (ret < 0) {
 			if (i > 0)
 				unregister_jprobes(jps, i);