From ea6e4fe2dd3594d04c03ddb0befc1c4a82ab4e83 Mon Sep 17 00:00:00 2001
From: ths <ths@c046a42c-6fe2-441c-8c8c-71466251a162>
Date: Thu, 28 Jun 2007 14:05:38 +0000
Subject: Fix segfault when printing the help text, spotted by Stefan Weil.

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3030 c046a42c-6fe2-441c-8c8c-71466251a162
---
 vl.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

(limited to 'vl.c')

diff --git a/vl.c b/vl.c
index 172b5ab155..6006e1be49 100644
--- a/vl.c
+++ b/vl.c
@@ -6568,7 +6568,7 @@ int main_loop(void)
     return ret;
 }
 
-void help(void)
+static void help(const char *optarg)
 {
     printf("QEMU PC emulator version " QEMU_VERSION ", Copyright (c) 2003-2007 Fabrice Bellard\n"
            "usage: %s [options] [disk_image]\n"
@@ -7450,12 +7450,12 @@ int main(int argc, char **argv)
                 break;
 #endif
             case QEMU_OPTION_h:
-                help();
+                help(optarg);
                 break;
             case QEMU_OPTION_m:
                 ram_size = atoi(optarg) * 1024 * 1024;
                 if (ram_size <= 0)
-                    help();
+                    help(optarg);
                 if (ram_size > PHYS_RAM_MAX_SIZE) {
                     fprintf(stderr, "qemu: at most %d MB RAM can be simulated\n",
                             PHYS_RAM_MAX_SIZE / (1024 * 1024));
@@ -7741,7 +7741,7 @@ int main(int argc, char **argv)
         hd_filename[0] == '\0' && 
         (cdrom_index >= 0 && hd_filename[cdrom_index] == '\0') &&
         fd_filename[0] == '\0')
-        help();
+        help("");
 
     /* boot to floppy or the default cd if no hard disk defined yet */
     if (hd_filename[0] == '\0' && boot_device == 'c') {
-- 
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