Merge remote-tracking branch 'pmaydell/tags/pull-arm-devs-20130812' into staging

[qemu.git] / qemu-img.c

diff --git a/qemu-img.c b/qemu-img.c
index f8c97d34d11abbb43a00a0c12fa5b5684d490c34..b9a848db74de8c77e8a009669ac72fe048bc71cc 100644 (file)
--- a/qemu-img.c
+++ b/qemu-img.c
@@ -240,7 +240,7 @@ static int print_block_option_help(const char *filename, const char *fmt)
         return 1;
     }
 
-    proto_drv = bdrv_find_protocol(filename);
+    proto_drv = bdrv_find_protocol(filename, true);
     if (!proto_drv) {
         error_report("Unknown protocol '%s'", filename);
         return 1;
@@ -396,6 +396,9 @@ static int img_create(int argc, char **argv)
         }
         img_size = (uint64_t)sval;
     }
+    if (optind != argc) {
+        help();
+    }
 
     if (options && is_help_option(options)) {
         return print_block_option_help(filename, fmt);
@@ -573,7 +576,7 @@ static int img_check(int argc, char **argv)
             break;
         }
     }
-    if (optind >= argc) {
+    if (optind != argc - 1) {
         help();
     }
     filename = argv[optind++];
@@ -684,7 +687,7 @@ static int img_commit(int argc, char **argv)
             break;
         }
     }
-    if (optind >= argc) {
+    if (optind != argc - 1) {
         help();
     }
     filename = argv[optind++];
@@ -930,7 +933,7 @@ static int img_compare(int argc, char **argv)
     }
 
 
-    if (optind > argc - 2) {
+    if (optind != argc - 2) {
         help();
     }
     filename1 = argv[optind++];
@@ -1261,7 +1264,7 @@ static int img_convert(int argc, char **argv)
         goto out;
     }
 
-    proto_drv = bdrv_find_protocol(out_filename);
+    proto_drv = bdrv_find_protocol(out_filename, true);
     if (!proto_drv) {
         error_report("Unknown protocol '%s'", out_filename);
         ret = -1;
@@ -1741,7 +1744,7 @@ static int img_info(int argc, char **argv)
             break;
         }
     }
-    if (optind >= argc) {
+    if (optind != argc - 1) {
         help();
     }
     filename = argv[optind++];
@@ -1842,7 +1845,7 @@ static int img_snapshot(int argc, char **argv)
         }
     }
 
-    if (optind >= argc) {
+    if (optind != argc - 1) {
         help();
     }
     filename = argv[optind++];
@@ -1953,7 +1956,7 @@ static int img_rebase(int argc, char **argv)
         progress = 0;
     }
 
-    if ((optind >= argc) || (!unsafe && !out_baseimg)) {
+    if ((optind != argc - 1) || (!unsafe && !out_baseimg)) {
         help();
     }
     filename = argv[optind++];
@@ -2232,7 +2235,7 @@ static int img_resize(int argc, char **argv)
             break;
         }
     }
-    if (optind >= argc) {
+    if (optind != argc - 1) {
         help();
     }
     filename = argv[optind++];
@@ -2319,6 +2322,10 @@ int main(int argc, char **argv)
     const img_cmd_t *cmd;
     const char *cmdname;
 
+#ifdef CONFIG_POSIX
+    signal(SIGPIPE, SIG_IGN);
+#endif
+
     error_set_progname(argv[0]);
 
     qemu_init_main_loop();