2012-06-21 12:00:08

by Ozan Çağlayan

[permalink] [raw]
Subject: [PATCH] compat: Define include guard for vga_switcheroo.h

The check is missing in upstream. Patch sent but until this gets
merged, define it in compat tree for fixing compat-drm builds.

Also add a temporary header with the same name which will be used
to check whether the header should be included or not.

Signed-off-by: Ozan Çağlayan <[email protected]>
---

You can actually ignore this if you think that this should not be fixed
this way.

include/linux/compat-3.5.h | 6 ++++++
include/linux/vga_switcheroo.h | 7 +++++++
2 files changed, 13 insertions(+)
create mode 100644 include/linux/vga_switcheroo.h

diff --git a/include/linux/compat-3.5.h b/include/linux/compat-3.5.h
index 74c8176..e999aee 100644
--- a/include/linux/compat-3.5.h
+++ b/include/linux/compat-3.5.h
@@ -78,6 +78,12 @@ static inline int fault_in_multipages_readable(const char __user *uaddr,
/* switcheroo is available on >= 2.6.34 */
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,34))
#include <linux/vga_switcheroo.h>
+
+/* FIXME: The include guard is sent upstream, drop this
+ * once the guard is merged. */
+#ifndef LINUX_VGA_SWITCHEROO_H
+#define LINUX_VGA_SWITCHEROO_H
+#endif
/*
* This backports:
*
diff --git a/include/linux/vga_switcheroo.h b/include/linux/vga_switcheroo.h
new file mode 100644
index 0000000..81ac31e
--- /dev/null
+++ b/include/linux/vga_switcheroo.h
@@ -0,0 +1,7 @@
+/* Hack for fixing the missing include guard in upstream
+ * header. We will drop this when the patch is merged upstream. */
+
+#ifndef LINUX_VGA_SWITCHEROO_H
+#define LINUX_VGA_SWITCHEROO_H
+#include_next <linux/vga_switcheroo.h>
+#endif
--
1.7.10.2