linux-kernel - [PATCH] ACPI: video: fix build error when VIDEO_OUTPUT

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-id: <alpine.LFD.2.00.1011301828410.3354@x980>
Date:	Tue, 30 Nov 2010 18:29:42 -0500 (EST)
From:	Len Brown <lenb@...nel.org>
To:	Jack Stone <jwjstone@...tmail.fm>
Cc:	linux-kernel@...r.kernel.org, linux-acpi@...r.kernel.org,
	rui.zhang@...el.com
Subject: [PATCH] ACPI: video: fix build error when VIDEO_OUTPUT_CONTROL=n

From: Len Brown <len.brown@...el.com>

drivers/built-in.o: In function `acpi_video_bus_put_devices':
video.c:(.text+0x79663): undefined reference to
`video_output_unregister'
drivers/built-in.o: In function `acpi_video_bus_add':
video.c:(.text+0x7b0b3): undefined reference to `video_output_register'

Signed-off-by: Len Brown <len.brown@...el.com>
---
 include/linux/video_output.h |   14 ++++++++++++++
 1 files changed, 14 insertions(+), 0 deletions(-)

diff --git a/include/linux/video_output.h b/include/linux/video_output.h
index 2fb46bc..c630194 100644
--- a/include/linux/video_output.h
+++ b/include/linux/video_output.h
@@ -34,9 +34,23 @@ struct output_device {
 	struct device dev;
 };
 #define to_output_device(obj) container_of(obj, struct output_device, dev)
+#ifdef CONFIG_VIDEO_OUTPUT_CONTROL
 struct output_device *video_output_register(const char *name,
 	struct device *dev,
 	void *devdata,
 	struct output_properties *op);
 void video_output_unregister(struct output_device *dev);
+#else
+static struct output_device *video_output_register(const char *name,
+        struct device *dev,
+        void *devdata,
+        struct output_properties *op)
+{
+	return ERR_PTR(-ENODEV);
+}
+static void video_output_unregister(struct output_device *dev)
+{
+	return;
+};
+#endif
 #endif
-- 
1.7.3.2.343.g7d43d

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/