From b9149e4e89d6fc56505b75de1e3e0c13dada4b3e Mon Sep 17 00:00:00 2001
From: Milan Crha <mcrha@redhat.com>
Date: Wed, 27 May 2009 15:15:28 +0200
Subject: Bug #540269 - Do not crash in em_format_is_attachment

Check if part contains data wrapper before accessing its members.
---
 mail/em-format.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/mail/em-format.c b/mail/em-format.c
index b2360bb2fc..83f0d4acfe 100644
--- a/mail/em-format.c
+++ b/mail/em-format.c
@@ -991,6 +991,9 @@ int em_format_is_attachment(EMFormat *emf, CamelMimePart *part)
 	/*CamelContentType *ct = camel_mime_part_get_content_type(part);*/
 	CamelDataWrapper *dw = camel_medium_get_content_object((CamelMedium *)part);
 
+	if (!dw)
+		return 0;
+
 	/*printf("checking is attachment %s/%s\n", ct->type, ct->subtype);*/
 	return !(camel_content_type_is (dw->mime_type, "multipart", "*")
 		 || camel_content_type_is(dw->mime_type, "application", "x-pkcs7-mime")
-- 
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