[Qemu-devel] [PATCH] numa: Fix format string for "Invalid node" message

[Eduardo Habkost]

Some compilers complain about the PRIu16 format string with the
MAX(src, dst) and MAX_NODES arguments.  Example output from Apple LLVM
version 7.3.0 (clang-703.0.31):

  numa.c:236:20: warning: format specifies type 'unsigned short' but the 
argument has type 'int' [-Wformat]
                     MAX(src, dst), MAX_NODES);
  ~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
  include/qapi/error.h:163:35: note: expanded from macro 'error_setg'
                          (fmt), ## __VA_ARGS__)
                                    ^~~~~~~~~~~
  glib/2.52.2/include/glib-2.0/glib/gmacros.h:288:20: note: expanded from macro 
'MAX'
  #define MAX(a, b)  (((a) > (b)) ? (a) : (b))
                     ^~~~~~~~~~~~~~~~~~~~~~~~~
  numa.c:236:35: warning: format specifies type 'unsigned short' but the 
argument has type 'int' [-Wformat]
                     MAX(src, dst), MAX_NODES);
  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~
  include/qapi/error.h:163:35: note: expanded from macro 'error_setg'
                          (fmt), ## __VA_ARGS__)
                                    ^~~~~~~~~~~
  include/sysemu/sysemu.h:165:19: note: expanded from macro 'MAX_NODES'
  #define MAX_NODES 128
                    ^~~
MAX(src, dst) promotes the src and dst arguments to int, and MAX_NODES
is an int.  Use %d to silence those warnings.

Signed-off-by: Eduardo Habkost <address@hidden>
---
 numa.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/numa.c b/numa.c
index ca731455e9..be50c62aa9 100644
--- a/numa.c
+++ b/numa.c
@@ -231,8 +231,7 @@ static void parse_numa_distance(NumaDistOptions *dist, 
Error **errp)
 
     if (src >= MAX_NODES || dst >= MAX_NODES) {
         error_setg(errp,
-                   "Invalid node %" PRIu16
-                   ", max possible could be %" PRIu16,
+                   "Invalid node %d, max possible could be %d",
                    MAX(src, dst), MAX_NODES);
         return;
     }
-- 
2.11.0.259.g40922b1