[PATCH 2/3] HID: roccat: declaring meaning of pack pragma usage in koneplus driver

Stefan Achatz
2010-11-06T18:52:51Z

Using pack pragma to prevent padding bytes in binary data structures
used for hardware communication. Explanation of these pragmas was requested.

Signed-off-by: Stefan Achatz <erazor_de@users.sourceforge.net>
---
drivers/hid/hid-roccat-koneplus.h | 3 +++
1 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/drivers/hid/hid-roccat-koneplus.h b/drivers/hid/hid-roccat-koneplus.h
index bf750fa..c25a799 100644
--- a/drivers/hid/hid-roccat-koneplus.h
+++ b/drivers/hid/hid-roccat-koneplus.h
@@ -14,6 +14,9 @@

#include <linux/types.h>

+/*
+ * Binary data structures for communication with hardware must have no padding.
+ */
#pragma pack(push)
#pragma pack(1)

--
1.7.2.3