Author: Julia Lawall <julia@diku.dk> Request_mem_region should be used with release_mem_region, not release_resource. The semantic match that finds this problem is as follows: (http://coccinelle.lip6.fr/) // @s exists@ expression e1,e2,e3,e4,e; @@ *e4 = request_mem_region(e1,e2,e3) … when != e4 = e *release_resource(e4); // Signed-off-by: Julia Lawall Signed-off-by: Paul Mundt — drivers/video/sm501fb.c | 24 ++++++++++++———— 1 file changed, 12 …