HID: roccat: declare meaning of pack pragma usage in driver headers

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>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
This commit is contained in:
Stefan Achatz 2010-11-26 19:57:36 +00:00 committed by Jiri Kosina
parent 5012aada50
commit bd3a2b9663
2 changed files with 6 additions and 0 deletions

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@ -14,6 +14,9 @@
#include <linux/types.h>
/*
* Binary data structures used for hardware communication must have no padding.
*/
#pragma pack(push)
#pragma pack(1)

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@ -14,6 +14,9 @@
#include <linux/types.h>
/*
* Binary data structures used for hardware communication must have no padding.
*/
#pragma pack(push)
#pragma pack(1)