linux-kernel - [PATCH 1/1] hidraw: Added Compatibility ioctl() for 32-bit applications.

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Date:	Tue,  4 Jan 2011 00:37:22 -0500
From:	Alan Ott <alan@...nal11.us>
To:	Jiri Kosina <jkosina@...e.cz>,
	Stefan Achatz <erazor_de@...rs.sourceforge.net>,
	Antonio Ospite <ospite@...denti.unina.it>,
	Tejun Heo <tj@...nel.org>,
	Marcel Holtmann <marcel@...tmann.org>,
	linux-input@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:	Alan Ott <alan@...nal11.us>
Subject: [PATCH 1/1] hidraw: Added Compatibility ioctl() for 32-bit applications.

Added the ioctl function to the compat_ioctl pointer in the file_operations struct. Before this, some ioctls would fail for 32-bit apps on 64-bit systems.

Signed-off-by: Alan Ott <alan@...nal11.us>
---
 drivers/hid/hidraw.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/drivers/hid/hidraw.c b/drivers/hid/hidraw.c
index 29495e6..57ccc5f 100644
--- a/drivers/hid/hidraw.c
+++ b/drivers/hid/hidraw.c
@@ -428,6 +428,9 @@ static const struct file_operations hidraw_ops = {
 	.open =         hidraw_open,
 	.release =      hidraw_release,
 	.unlocked_ioctl = hidraw_ioctl,
+#ifdef CONFIG_COMPAT
+	.compat_ioctl	= hidraw_ioctl,
+#endif
 };
 
 void hidraw_report_event(struct hid_device *hid, u8 *data, int len)
-- 
1.7.0.4


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