Fix NULL dereference

* libmailutils/mime/mimehdr.c (mu_mime_param_free): Check if argument is NULL.

Fix NULL dereference
* libmailutils/mime/mimehdr.c (mu_mime_param_free): Check if argument is NULL.
Sergey Poznyakoff
Commit 0417f83b ... 0417f83b0dd75d26367ef2569d7f7437a6bead2a authored 2017-03-06 08:36:35 +0200 by Sergey Poznyakoff
Showing 1 changed file with 7 additions and 4 deletions
libmailutils/mime/mimehdr.c
--- a/libmailutils/mime/mimehdr.c
View file @0417f83
+++ b/libmailutils/mime/mimehdr.c
View file @0417f83
@@ -48,10 +48,13 @@
 void
 mu_mime_param_free (struct mu_mime_param *p)
 {
-  free (p->lang);
-  free (p->cset);
-  free (p->value);
-  free (p);
+  if (p)
+    {
+      free (p->lang);
+      free (p->cset);
+      free (p->value);
+      free (p);
+    }
 }

 /* Treat ITEM as a pointer to struct mu_mime_param and reclaim all