[PATCH BlueZ] bass: add NULL check to bass_handle_add_src_op()

[Roman Smirnov <r.smirnov@xxxxxx>]

This prevents a null pointer from being dereferenced in case
queue_find() returns NULL.
---
 src/shared/bass.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/shared/bass.c b/src/shared/bass.c
index c30537dee..f08799714 100644
--- a/src/shared/bass.c
+++ b/src/shared/bass.c
@@ -875,7 +875,8 @@ static void bass_handle_add_src_op(struct bt_bass *bass,
 					attr);
 
 		queue_remove(bass->ldb->bcast_srcs, src);
-		bass_bcast_src_free(src);
+		if (src)
+			bass_bcast_src_free(src);
 		bcast_src->attr = attr;
 	}
 
-- 
2.43.0