Merge master.kernel.org:/pub/scm/linux/kernel/git/herbert/crypto-2.6

[linux-drm-fsl-dcu.git] / drivers / hid / hid-core.c

diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c
index 1cca32f46947e0675ea7b77ea28b043393ef3f75..6ec04e79f6856c0340f20a31f0b08bb9b6afeeb6 100644 (file)
--- a/drivers/hid/hid-core.c
+++ b/drivers/hid/hid-core.c
@@ -4,7 +4,7 @@
  *  Copyright (c) 1999 Andreas Gal
  *  Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz>
  *  Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc
- *  Copyright (c) 2006 Jiri Kosina
+ *  Copyright (c) 2006-2007 Jiri Kosina
  */
 
 /*
@@ -20,7 +20,6 @@
 #include <linux/kernel.h>
 #include <linux/list.h>
 #include <linux/mm.h>
-#include <linux/smp_lock.h>
 #include <linux/spinlock.h>
 #include <asm/unaligned.h>
 #include <asm/byteorder.h>
@@ -37,7 +36,7 @@
  */
 
 #define DRIVER_VERSION "v2.6"
-#define DRIVER_AUTHOR "Andreas Gal, Vojtech Pavlik"
+#define DRIVER_AUTHOR "Andreas Gal, Vojtech Pavlik, Jiri Kosina"
 #define DRIVER_DESC "HID core driver"
 #define DRIVER_LICENSE "GPL"
 
@@ -872,8 +871,13 @@ static void hid_output_field(struct hid_field *field, __u8 *data)
        unsigned count = field->report_count;
        unsigned offset = field->report_offset;
        unsigned size = field->report_size;
+       unsigned bitsused = offset + count * size;
        unsigned n;
 
+       /* make sure the unused bits in the last byte are zeros */
+       if (count > 0 && size > 0 && (bitsused % 8) != 0)
+               data[(bitsused-1)/8] &= (1 << (bitsused % 8)) - 1;
+
        for (n = 0; n < count; n++) {
                if (field->logical_minimum < 0) /* signed values */
                        implement(data, offset + n * size, size, s32ton(field->value[n], size));