From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Return-Path: From: Alan Tull Subject: [PATCH] fpga: stratix10-soc: fix wrong of_node_put() in init function Date: Sat, 26 Jan 2019 10:38:29 -0600 Message-Id: <20190126163829.4998-1-atull@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit To: Greg Kroah-Hartman Cc: Moritz Fischer , Dinh Nguyen , Alan Tull , linux-kernel@vger.kernel.org, linux-fpga@vger.kernel.org, Nicolas Saenz Julienne List-ID: From: Nicolas Saenz Julienne After finding a "firmware" dt node stratix10 tries to match it's compatible string with it. To do so it's calling of_find_matching_node() which already takes care of decreasing the refcount on the "firmware" node. We are then incorrectly decreasing the refcount on that node again. This patch removes the unwarranted call to of_node_put(). Fixes: e7eef1d7633a ("fpga: add intel stratix10 soc fpga manager driver") Signed-off-by: Nicolas Saenz Julienne Acked-by: Alan Tull Acked-by: Moritz Fischer [atull: remove unnecessary braces] --- drivers/fpga/stratix10-soc.c | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-) diff --git a/drivers/fpga/stratix10-soc.c b/drivers/fpga/stratix10-soc.c index a1a09e04fab8..13851b3d1c56 100644 --- a/drivers/fpga/stratix10-soc.c +++ b/drivers/fpga/stratix10-soc.c @@ -508,14 +508,11 @@ static int __init s10_init(void) return -ENODEV; np = of_find_matching_node(fw_np, s10_of_match); - if (!np) { - of_node_put(fw_np); + if (!np) return -ENODEV; - } of_node_put(np); ret = of_platform_populate(fw_np, s10_of_match, NULL, NULL); - of_node_put(fw_np); if (ret) return ret; -- 2.20.1