qdev: Avoid using prop->name unnecessarily

[mirror_qemu.git] / qemu-io-cmds.c

diff --git a/qemu-io-cmds.c b/qemu-io-cmds.c
index 349256a5fe1228a889c79cca0c29cf7fcab75eae..4153f1c0b02605cdc4af9cff54009b9e48307d92 100644 (file)
--- a/qemu-io-cmds.c
+++ b/qemu-io-cmds.c
@@ -1710,7 +1710,12 @@ static int truncate_f(BlockBackend *blk, int argc, char **argv)
         return offset;
     }
 
-    ret = blk_truncate(blk, offset, PREALLOC_MODE_OFF, &local_err);
+    /*
+     * qemu-io is a debugging tool, so let us be strict here and pass
+     * exact=true.  It is better to err on the "emit more errors" side
+     * than to be overly permissive.
+     */
+    ret = blk_truncate(blk, offset, false, PREALLOC_MODE_OFF, 0, &local_err);
     if (ret < 0) {
         error_report_err(local_err);
         return ret;
@@ -2378,14 +2383,7 @@ static const cmdinfo_t sleep_cmd = {
 
 static void help_oneline(const char *cmd, const cmdinfo_t *ct)
 {
-    if (cmd) {
-        printf("%s ", cmd);
-    } else {
-        printf("%s ", ct->name);
-        if (ct->altname) {
-            printf("(or %s) ", ct->altname);
-        }
-    }
+    printf("%s ", cmd);
 
     if (ct->args) {
         printf("%s ", ct->args);
@@ -2415,7 +2413,7 @@ static int help_f(BlockBackend *blk, int argc, char **argv)
 {
     const cmdinfo_t *ct;
 
-    if (argc == 1) {
+    if (argc < 2) {
         help_all();
         return 0;
     }