Prevent potential null pointer dereference in zip access

Close #12149

Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>

diff --git a/modules/access/zip/zipstream.c b/modules/access/zip/zipstream.c
index 61410cd64e1a0f7bb31818ca9c9892b922e2c30f..633b4417371dbdc80e194d34d82cec41c8b5ea0a 100644 (file)
--- a/modules/access/zip/zipstream.c
+++ b/modules/access/zip/zipstream.c
@@ -713,7 +713,7 @@ static node* findOrCreateParentNode( node *root, const char *fullpath )
 
     while( current )
     {
-        if( !strcmp( current->name, folder ) )
+        if( current->name && !strcmp( current->name, folder ) )
         {
             /* We found the folder, go recursively deeper */
             node *parentNode = findOrCreateParentNode( current, sep );