msg: fix format specifier for unsigned value id

Signed-off-by: Weibing Zhang <zhangweibing@unitedstack.com>

diff --git a/src/msg/async/Stack.h b/src/msg/async/Stack.h
index 960da6368efcff3852994cdf181ef15f5bf597ce..cfcca10c37f3537571f3783f84348dc2d2fab699 100644 (file)
--- a/src/msg/async/Stack.h
+++ b/src/msg/async/Stack.h
@@ -216,7 +216,7 @@ class Worker {
   Worker(CephContext *c, unsigned i)
     : cct(c), perf_logger(NULL), id(i), references(0), center(c) {
     char name[128];
-    sprintf(name, "AsyncMessenger::Worker-%d", id);
+    sprintf(name, "AsyncMessenger::Worker-%u", id);
     // initialize perf_logger
     PerfCountersBuilder plb(cct, name, l_msgr_first, l_msgr_last);