Fix bogus loop in IceGrid/Activator #403

1 files changed, 5 insertions, 2 deletions

diff --git a/cpp/src/IceGrid/Activator.cpp b/cpp/src/IceGrid/Activator.cpp
index 7982685b1f1..a1d8657d510 100644
--- a/cpp/src/IceGrid/Activator.cpp
+++ b/cpp/src/IceGrid/Activator.cpp
@@ -621,11 +621,14 @@ Activator::activate(const string& name,
     struct passwd pwbuf;
     vector<char> buffer(4096); // 4KB initial buffer size
     struct passwd *pw;
-    int err = getpwuid_r(uid, &pwbuf, &buffer[0], buffer.size(), &pw);
-    while(err == ERANGE && buffer.size() < 1024 * 1024) // Limit buffer to 1MB
+
+    int err;
+    while((err = getpwuid_r(uid, &pwbuf, &buffer[0], buffer.size(), &pw)) == ERANGE &&
+          buffer.size() < 1024 * 1024) // Limit buffer to 1M
     {
         buffer.resize(buffer.size() * 2);
     }
+
     if(err != 0)
     {
         throw SyscallException(__FILE__, __LINE__, err);