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-rw-r--r--services/surfaceflinger/SurfaceFlinger.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/services/surfaceflinger/SurfaceFlinger.cpp b/services/surfaceflinger/SurfaceFlinger.cpp
index 6ed9843..ceae8d7 100644
--- a/services/surfaceflinger/SurfaceFlinger.cpp
+++ b/services/surfaceflinger/SurfaceFlinger.cpp
@@ -2497,7 +2497,7 @@ status_t SurfaceFlinger::captureScreenImplLocked(const sp<IBinder>& display,
sp<MemoryHeapBase> base(
new MemoryHeapBase(size, 0, "screen-capture") );
void* const ptr = base->getBase();
- if (ptr) {
+ if (ptr != MAP_FAILED) {
// capture the screen with glReadPixels()
ScopedTrace _t(ATRACE_TAG, "glReadPixels");
glReadPixels(0, 0, sw, sh, GL_RGBA, GL_UNSIGNED_BYTE, ptr);