Tillmann Werner : winedump: Fix null pointer dereference in spec mode.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 29e58e30f14cbb6aadb1b99851718f36b014916d
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=29e58e30f14cbb6aadb1b99851...

Author: Tillmann Werner <tillmann.werner(a)gmx.de>
Date:   Tue Jan  5 22:20:44 2010 +0100

winedump: Fix null pointer dereference in spec mode.

---

 tools/winedump/pe.c |    8 +++-----
 1 files changed, 3 insertions(+), 5 deletions(-)

diff --git a/tools/winedump/pe.c b/tools/winedump/pe.c
index a2c2f0a..d00d2ea 100644
--- a/tools/winedump/pe.c
+++ b/tools/winedump/pe.c
@@ -1631,11 +1631,9 @@ int dll_open (const char *dll_name)
  */
 int dll_next_symbol (parsed_symbol * sym)
 {
-    if (!dll_current_symbol->symbol)
-	return 1;
-
-    assert (dll_symbols);
-
+    if (!dll_current_symbol || !dll_current_symbol->symbol)
+       return 1;
+     assert (dll_symbols);
     sym->symbol = strdup (dll_current_symbol->symbol);
     sym->ordinal = dll_current_symbol->ordinal;
     dll_current_symbol++;