git: put NULL check at the top

e0be1d60 · Carlos Martín Nieto · 45d295e0 · e0be1d60
Commit e0be1d60 authored Oct 30, 2015 by Carlos Martín Nieto
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Showing with 5 additions and 2 deletions

src/transports/git.c
+5 -2

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--- a/src/transports/git.c
+++ b/src/transports/git.c
@@ -130,12 +130,15 @@ static int git_proto_stream_write(

 static void git_proto_stream_free(git_smart_subtransport_stream *stream)
 {
-	git_proto_stream *s = (git_proto_stream *)stream;
-	git_subtransport *t = OWNING_SUBTRANSPORT(s);
+	git_proto_stream *s;
+	git_subtransport *t;

 	if (!stream)
 		return;

+	s = (git_proto_stream *)stream;
+	t = OWNING_SUBTRANSPORT(s);
+
 	t->current_stream = NULL;

 	git_stream_close(s->io);