From 292a31a4c2ae2f6faf134e8e4a726583017dad06 Mon Sep 17 00:00:00 2001
From: Pannag Sanketi <psanketi@google.com>
Date: Fri, 24 Jun 2011 09:56:27 -0700
Subject: [PATCH] Minor fix in SurfaceTexture

Change-Id: Ic859715becf3e6d5107bd8beb8c577034d00ec52
---
 include/gui/SurfaceTexture.h |  4 ++--
 libs/gui/SurfaceTexture.cpp  | 11 ++++++++---
 2 files changed, 10 insertions(+), 5 deletions(-)

diff --git a/include/gui/SurfaceTexture.h b/include/gui/SurfaceTexture.h
index e558dfd6c..d64e311b2 100644
--- a/include/gui/SurfaceTexture.h
+++ b/include/gui/SurfaceTexture.h
@@ -141,7 +141,7 @@ public:
 
     // setFrameAvailableListener sets the listener object that will be notified
     // when a new frame becomes available.
-    void setFrameAvailableListener(const sp<FrameAvailableListener>& l);
+    void setFrameAvailableListener(const sp<FrameAvailableListener>& listener);
 
     // getAllocator retrieves the binder object that must be referenced as long
     // as the GraphicBuffers dequeued from this SurfaceTexture are referenced.
@@ -345,7 +345,7 @@ private:
     uint32_t mNextTransform;
 
     // mTexName is the name of the OpenGL texture to which streamed images will
-    // be bound when updateTexImage is called. It is set at construction time 
+    // be bound when updateTexImage is called. It is set at construction time
     // changed with a call to setTexName.
     const GLuint mTexName;
 
diff --git a/libs/gui/SurfaceTexture.cpp b/libs/gui/SurfaceTexture.cpp
index 37e6d1187..eef4a1972 100644
--- a/libs/gui/SurfaceTexture.cpp
+++ b/libs/gui/SurfaceTexture.cpp
@@ -148,6 +148,11 @@ status_t SurfaceTexture::setBufferCount(int bufferCount) {
     LOGV("SurfaceTexture::setBufferCount");
     Mutex::Autolock lock(mMutex);
 
+    if (bufferCount > NUM_BUFFER_SLOTS) {
+        LOGE("setBufferCount: bufferCount larger than slots available");
+        return BAD_VALUE;
+    }
+
     // Error out if the user has dequeued buffers
     for (int i=0 ; i<mBufferCount ; i++) {
         if (mSlots[i].mBufferState == BufferSlot::DEQUEUED) {
@@ -208,7 +213,7 @@ status_t SurfaceTexture::dequeueBuffer(int *outBuf, uint32_t w, uint32_t h,
         uint32_t format, uint32_t usage) {
     LOGV("SurfaceTexture::dequeueBuffer");
 
-    if ((w && !h) || (!w & h)) {
+    if ((w && !h) || (!w && h)) {
         LOGE("dequeueBuffer: invalid size: w=%u, h=%u", w, h);
         return BAD_VALUE;
     }
@@ -704,10 +709,10 @@ nsecs_t SurfaceTexture::getTimestamp() {
 }
 
 void SurfaceTexture::setFrameAvailableListener(
-        const sp<FrameAvailableListener>& l) {
+        const sp<FrameAvailableListener>& listener) {
     LOGV("SurfaceTexture::setFrameAvailableListener");
     Mutex::Autolock lock(mMutex);
-    mFrameAvailableListener = l;
+    mFrameAvailableListener = listener;
 }
 
 sp<IBinder> SurfaceTexture::getAllocator() {