fix signed unsigned comparison

diff --git a/gdbserver/gdb-server.c b/gdbserver/gdb-server.c
index 1fe076eecea838634618b97d1ad366e4492fc171..c8152118b0db5908dc742959c11d7d610b4a605a 100644 (file)
--- a/gdbserver/gdb-server.c
+++ b/gdbserver/gdb-server.c
@@ -812,7 +812,7 @@ static struct cache_desc_t cache_desc;
 static unsigned ceil_log2(unsigned v)
 {
   unsigned res;
-  for (res = 0; (1 << res) < v; res++)
+  for (res = 0; (1U << res) < v; res++)
     ;
   return res;
 }