linux-kernel - [PATCH 2/2 v2] Staging:android: Initialise buffer and buffer

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Date:	Wed,  7 Mar 2012 10:36:58 +0800
From:	Zhengwang Ruan <ruan.zhengwang@...il.com>
To:	gregkh@...uxfoundation.org, arve@...roid.com,
	chris+android@...thought.org
Cc:	devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org,
	kernel-janitors@...r.kernel.org
Subject: [PATCH 2/2 v2] Staging:android: Initialise buffer and buffer_size before used

GCC warns 'buffer' and 'buffer_size' are used with being uninitialized, and
'buffer' is used as returned value, and 'buffer_size' is initialized using
uninitialized_var to clear warning.

Signed-off-by: Zhengwang Ruan <ruan.zhengwang@...il.com>
---
v2: added a subsystem prefix to the subject
---
 drivers/staging/android/binder.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/staging/android/binder.c b/drivers/staging/android/binder.c
index 4350425..6caebeb 100644
--- a/drivers/staging/android/binder.c
+++ b/drivers/staging/android/binder.c
@@ -716,8 +716,8 @@ static struct binder_buffer *binder_alloc_buf(struct binder_proc *proc,
 					      size_t offsets_size, int is_async)
 {
 	struct rb_node *n = proc->free_buffers.rb_node;
-	struct binder_buffer *buffer;
-	size_t buffer_size;
+	struct binder_buffer *buffer = NULL;
+	size_t uninitialized_var(buffer_size);
 	struct rb_node *best_fit = NULL;
 	void *has_page_addr;
 	void *end_page_addr;
-- 
1.6.0.4

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