fsdev: use error_report() instead of fprintf(stderr)

Only fix the code that gets built into QEMU.

Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Greg Kurz <gkurz@linux.vnet.ibm.com>

fsdev/qemu-fsdev.c

@@ -17,6 +17,7 @@
 #include "qemu/osdep.h"
 #include "qemu-common.h"
 #include "qemu/config-file.h"
+#include "qemu/error-report.h"
 
 static QTAILQ_HEAD(FsDriverEntry_head, FsDriverListEntry) fsdriver_entries =
     QTAILQ_HEAD_INITIALIZER(fsdriver_entries);
@@ -40,7 +41,7 @@ int qemu_fsdev_add(QemuOpts *opts)
     bool ro = qemu_opt_get_bool(opts, "readonly", 0);
 
     if (!fsdev_id) {
-        fprintf(stderr, "fsdev: No id specified\n");
+        error_report("fsdev: No id specified");
         return -1;
     }
 
@@ -52,11 +53,11 @@ int qemu_fsdev_add(QemuOpts *opts)
         }
 
         if (i == ARRAY_SIZE(FsDrivers)) {
-            fprintf(stderr, "fsdev: fsdriver %s not found\n", fsdriver);
+            error_report("fsdev: fsdriver %s not found", fsdriver);
             return -1;
         }
     } else {
-        fprintf(stderr, "fsdev: No fsdriver specified\n");
+        error_report("fsdev: No fsdriver specified");
         return -1;
     }