uhd: fix device recv docs on timeout, also fix typo

2 files changed, 2 insertions, 7 deletions

diff --git a/host/include/uhd/device.hpp b/host/include/uhd/device.hpp
index 78bb83c66..c48b3dfff 100644
--- a/host/include/uhd/device.hpp
+++ b/host/include/uhd/device.hpp
@@ -161,12 +161,7 @@ public:
      * See the rx metadata fragment flags and offset fields for details.
      *
      * This is a blocking call and will not return until the number
-     * of samples returned have been written into each buffer.
-     * However, a call to receive may timeout and return zero samples.
-     * The timeout duration is decided by the underlying transport layer.
-     * The caller should assume that the call to receive will not return
-     * immediately when no packets are available to the transport layer,
-     * and that the timeout duration is reasonably tuned for performance.
+     * of samples returned have been written into each buffer or timeout.
      *
      * When using the full buffer recv mode, the metadata only applies
      * to the first packet received and written into the recv buffers.
diff --git a/host/lib/utils/gain_group.cpp b/host/lib/utils/gain_group.cpp
index 1be09dee2..c113719c8 100644
--- a/host/lib/utils/gain_group.cpp
+++ b/host/lib/utils/gain_group.cpp
@@ -131,7 +131,7 @@ private:
     //! get the gain function sets in order (highest priority first)
     std::vector<gain_fcns_t> get_all_fcns(void){
         std::vector<gain_fcns_t> all_fcns;
-        BOOST_FOREACH(ssize_t key, std::sorted(_registry.keys())){
+        BOOST_FOREACH(size_t key, std::sorted(_registry.keys())){
             const std::vector<gain_fcns_t> &fcns = _registry[key];
             all_fcns.insert(all_fcns.begin(), fcns.begin(), fcns.end());
         }