change computeByteSize to return max_size_t on overflow

Bug: skia:7132
Change-Id: I41045640ee62b2c988a84370ead5034bbccc6daf
Reviewed-on: https://skia-review.googlesource.com/56620
Reviewed-by: Ben Wagner <bungeman@google.com>
Commit-Queue: Mike Reed <reed@google.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/src/image/SkImage.cpp b/src/image/SkImage.cpp
index 705efaec30..c67b6e4cdb 100644
--- a/src/image/SkImage.cpp
+++ b/src/image/SkImage.cpp
@@ -423,7 +423,7 @@ sk_sp<SkImage> SkImageMakeRasterCopyAndAssignColorSpace(const SkImage* src,
 
     size_t rowBytes = info.minRowBytes();
     size_t size = info.computeByteSize(rowBytes);
-    if (size == 0) {
+    if (size == SK_MaxSizeT) {
         return nullptr;
     }
     auto data = SkData::MakeUninitialized(size);