linux-kernel - [PATCH 17/21] kgr: exercise non-present function

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Date:	Mon, 23 Jun 2014 15:29:31 +0200
From:	Jiri Slaby <jslaby@...e.cz>
To:	linux-kernel@...r.kernel.org
Cc:	jirislaby@...il.com, Vojtech Pavlik <vojtech@...e.cz>,
	Jiri Kosina <jkosina@...e.cz>, Jiri Slaby <jslaby@...e.cz>
Subject: [PATCH 17/21] kgr: exercise non-present function

This is to test the newly added functionality: non-fatal patching of
yet unknown functions.

Signed-off-by: Jiri Slaby <jslaby@...e.cz>
---
 samples/kgraft/kgraft_patcher.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/samples/kgraft/kgraft_patcher.c b/samples/kgraft/kgraft_patcher.c
index 5d02a908bc26..e96eef840397 100644
--- a/samples/kgraft/kgraft_patcher.c
+++ b/samples/kgraft/kgraft_patcher.c
@@ -63,10 +63,17 @@ static bool new_capable(int cap)
 }
 KGR_PATCHED_FUNCTION(capable, new_capable, true);
 
+static void new_function(unsigned long data)
+{
+	pr_info("kgr-patcher: %s\n", __func__);
+}
+KGR_PATCHED_FUNCTION(unknown_function, new_function, false);
+
 static struct kgr_patch patch = {
 	.patches = {
 		KGR_PATCH(SyS_iopl),
 		KGR_PATCH(capable),
+		KGR_PATCH(unknown_function),
 		KGR_PATCH_END
 	}
 };
-- 
2.0.0

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