A value is only assigned to errno if NumRead equals -1, so do
not reason based on errno if NumRead has a different value.
llvm-svn: 86046
diff --git a/llvm/lib/Support/MemoryBuffer.cpp b/llvm/lib/Support/MemoryBuffer.cpp
index d8b6b9f..88e2050 100644
--- a/llvm/lib/Support/MemoryBuffer.cpp
+++ b/llvm/lib/Support/MemoryBuffer.cpp
@@ -229,7 +229,7 @@
if (NumRead > 0) {
BytesLeft -= NumRead;
BufPtr += NumRead;
- } else if (errno == EINTR) {
+ } else if (NumRead == -1 && errno == EINTR) {
// try again
} else {
// error reading.