From a5536e109453bc625461d287619f4bffe233ade9 Mon Sep 17 00:00:00 2001 From: Dan Carpenter Date: Fri, 1 Aug 2014 11:23:57 +0300 Subject: dm9000: NULL dereferences on error in probe() The dm9000_release_board() function is called with NULL ->data_req and ->addr_req pointers if dm9000_probe() fails. Signed-off-by: Dan Carpenter Signed-off-by: David S. Miller --- drivers/net/ethernet/davicom/dm9000.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) (limited to 'drivers/net/ethernet/davicom') diff --git a/drivers/net/ethernet/davicom/dm9000.c b/drivers/net/ethernet/davicom/dm9000.c index 13723c96d1a2..23084fb2090e 100644 --- a/drivers/net/ethernet/davicom/dm9000.c +++ b/drivers/net/ethernet/davicom/dm9000.c @@ -817,10 +817,12 @@ dm9000_release_board(struct platform_device *pdev, struct board_info *db) /* release the resources */ - release_resource(db->data_req); + if (db->data_req) + release_resource(db->data_req); kfree(db->data_req); - release_resource(db->addr_req); + if (db->addr_req) + release_resource(db->addr_req); kfree(db->addr_req); } -- cgit v1.2.1