From: Eric Biggers <ebiggers3@gmail.com>
Date: Sat, 2 May 2015 22:40:06 +0000 (-0500)
Subject: wimlib_export_image(): error if src_wim == dest_wim
X-Git-Tag: v1.8.1~23
X-Git-Url: https://wimlib.net/git/?p=wimlib;a=commitdiff_plain;h=bb85a2d65adaa14fd6310a70f58e5b818ebdcc1c

wimlib_export_image(): error if src_wim == dest_wim
---

diff --git a/src/export_image.c b/src/export_image.c
index e88107a9..8ad2d533 100644
--- a/src/export_image.c
+++ b/src/export_image.c
@@ -128,7 +128,7 @@ wimlib_export_image(WIMStruct *src_wim,
 			     WIMLIB_EXPORT_FLAG_WIMBOOT))
 		return WIMLIB_ERR_INVALID_PARAM;
 
-	if (src_wim == NULL || dest_wim == NULL)
+	if (!src_wim || !dest_wim || src_wim == dest_wim)
 		return WIMLIB_ERR_INVALID_PARAM;
 
 	if (!wim_has_metadata(src_wim) || !wim_has_metadata(dest_wim))