[Qemu-devel] [PATCH 12/17] monitor.c: fix warnings with _FORTIFY_SOURCE

[Juan Quintela]

From: Kirill A. Shutemov <kir...@shutemov.name>

CC    i386-softmmu/monitor.o
cc1: warnings being treated as errors
/usr/src/RPM/BUILD/qemu-0.11.92/monitor.c: In function 'do_memory_save':
/usr/src/RPM/BUILD/qemu-0.11.92/monitor.c:1318: error: ignoring return value of 
'fwrite', declared with attribute warn_unused_result
/usr/src/RPM/BUILD/qemu-0.11.92/monitor.c: In function 
'do_physical_memory_save':
/usr/src/RPM/BUILD/qemu-0.11.92/monitor.c:1345: error: ignoring return value of 
'fwrite', declared with attribute warn_unused_result
make[1]: *** [monitor.o] Error 1

Signed-off-by: Kirill A. Shutemov <kir...@shutemov.name>
Signed-off-by: Juan Quintela <quint...@redhat.com>
---
 monitor.c |   12 ++++++++++--
 1 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/monitor.c b/monitor.c
index cadf422..7fc9973 100644
--- a/monitor.c
+++ b/monitor.c
@@ -1330,10 +1330,14 @@ static void do_memory_save(Monitor *mon, const QDict 
*qdict, QObject **ret_data)
         if (l > size)
             l = size;
         cpu_memory_rw_debug(env, addr, buf, l, 0);
-        fwrite(buf, 1, l, f);
+        if (fwrite(buf, 1, l, f) != l) {
+            monitor_printf(mon, "fwrite() error in do_memory_save\n");
+            goto exit;
+        }
         addr += l;
         size -= l;
     }
+exit:
     fclose(f);
 }

@@ -1357,11 +1361,15 @@ static void do_physical_memory_save(Monitor *mon, const 
QDict *qdict,
         if (l > size)
             l = size;
         cpu_physical_memory_rw(addr, buf, l, 0);
-        fwrite(buf, 1, l, f);
+        if (fwrite(buf, 1, l, f) != l) {
+            monitor_printf(mon, "fwrite() error in do_physical_memory_save\n");
+            goto exit;
+        }
         fflush(f);
         addr += l;
         size -= l;
     }
+exit:
     fclose(f);
 }

-- 
1.6.6