linux-kernel - [PATCH v2 4/7] staging: android: binder: fix BINDER_SET_MAX

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Message-Id: <1365501657-4213-5-git-send-email-serban.constantinescu@arm.com>
Date:	Tue,  9 Apr 2013 11:00:54 +0100
From:	Serban Constantinescu <serban.constantinescu@....com>
To:	linux-kernel@...r.kernel.org, gregkh@...uxfoundation.org,
	kernel-team@...roid.com, arve@...roid.com, john.stultz@...aro.org,
	Dave.Butcher@....com
Cc:	Serban Constantinescu <serban.constantinescu@....com>
Subject: [PATCH v2 4/7] staging: android: binder: fix BINDER_SET_MAX_THREADS declaration

This change will fix the BINDER_SET_MAX_THREADS ioctl to use __s32
instead of size_t for setting the max threads. Thus using the same
handler for 32 and 64bit kernels.

This value is stored internally in struct binder_proc as an int and
is set to 15 on open_binder() in the libbinder API (thus no need for
a 64bit size_t on 64bit platforms).

The change does not affect existing 32bit ABI.

Signed-off-by: Serban Constantinescu <serban.constantinescu@....com>
---
 drivers/staging/android/binder.h |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/android/binder.h b/drivers/staging/android/binder.h
index 8012921..5b9909f 100644
--- a/drivers/staging/android/binder.h
+++ b/drivers/staging/android/binder.h
@@ -86,7 +86,7 @@ struct binder_version {
 
 #define BINDER_WRITE_READ		_IOWR('b', 1, struct binder_write_read)
 #define	BINDER_SET_IDLE_TIMEOUT		_IOW('b', 3, __s64)
-#define	BINDER_SET_MAX_THREADS		_IOW('b', 5, size_t)
+#define	BINDER_SET_MAX_THREADS		_IOW('b', 5, __s32)
 #define	BINDER_SET_IDLE_PRIORITY	_IOW('b', 6, __s32)
 #define	BINDER_SET_CONTEXT_MGR		_IOW('b', 7, __s32)
 #define	BINDER_THREAD_EXIT		_IOW('b', 8, __s32)
-- 
1.7.9.5

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