From 3c51ff772278d291117dae9cad09ddef07e0d504 Mon Sep 17 00:00:00 2001 From: Wu Hao Date: Sun, 4 Aug 2019 18:20:18 +0800 Subject: [PATCH] fpga: dfl: make uinit callback optional This patch makes uinit callback of sub features optional. With this change, people don't need to prepare any empty uinit callback. Signed-off-by: Wu Hao Link: https://lore.kernel.org/r/1564914022-3710-9-git-send-email-hao.wu@intel.com Signed-off-by: Greg Kroah-Hartman --- drivers/fpga/dfl.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/fpga/dfl.c b/drivers/fpga/dfl.c index 87eaef6d2723..c0512afc4ed7 100644 --- a/drivers/fpga/dfl.c +++ b/drivers/fpga/dfl.c @@ -259,7 +259,8 @@ void dfl_fpga_dev_feature_uinit(struct platform_device *pdev) dfl_fpga_dev_for_each_feature(pdata, feature) if (feature->ops) { - feature->ops->uinit(pdev, feature); + if (feature->ops->uinit) + feature->ops->uinit(pdev, feature); feature->ops = NULL; } } -- 2.45.2